diff --git a/services/tunnelbroker/src/Constants.h b/services/tunnelbroker/src/Constants.h
index 5b9da6f5a..06f5d8ba4 100644
--- a/services/tunnelbroker/src/Constants.h
+++ b/services/tunnelbroker/src/Constants.h
@@ -1,55 +1,57 @@
 #pragma once
 
 #include <cstdlib>
 #include <regex>
 #include <string>
 
 namespace comm {
 namespace network {
 
 // AWS DynamoDB
 const std::string DEVICE_SESSIONS_TABLE_NAME = "tunnelbroker-device-session";
 const std::string DEVICE_SESSIONS_VERIFICATION_MESSAGES_TABLE_NAME =
     "tunnelbroker-verification-message";
 const std::string DEVICE_PUBLIC_KEY_TABLE_NAME = "tunnelbroker-public-key";
 const std::string MESSAGES_TABLE_NAME = "tunnelbroker-message";
 
 // Sessions
 const size_t SIGNATURE_REQUEST_LENGTH = 64;
 const size_t SESSION_ID_LENGTH = 64;
 const size_t SESSION_RECORD_TTL = 30 * 24 * 3600; // 30 days
 const size_t SESSION_SIGN_RECORD_TTL = 24 * 3600; // 24 hours
 const std::regex SESSION_ID_FORMAT_REGEX(
     "[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}");
 
 // gRPC Server
 const std::string SERVER_LISTEN_ADDRESS = "0.0.0.0:50051";
 
 // AMQP (RabbitMQ)
 const std::string AMQP_FANOUT_EXCHANGE_NAME = "allBrokers";
-// message TTL
+// Message broker queue message TTL
 const size_t AMQP_MESSAGE_TTL = 300 * 1000; // 5 min
 // queue TTL in case of no consumers (tunnelbroker is down)
 const size_t AMQP_QUEUE_TTL = 24 * 3600 * 1000; // 24 hours
 // routing message headers name
 const std::string AMQP_HEADER_FROM_DEVICEID = "fromDeviceID";
 const std::string AMQP_HEADER_TO_DEVICEID = "toDeviceID";
 const std::string AMQP_HEADER_MESSAGEID = "messageID";
 
 const int64_t AMQP_SHORTEST_RECONNECTION_ATTEMPT_INTERVAL = 1000 * 60; // 1 min
 
 // DeviceID
 const size_t DEVICEID_CHAR_LENGTH = 64;
 const std::regex DEVICEID_FORMAT_REGEX(
     "^(ks|mobile|web):[a-zA-Z0-9]{" + std::to_string(DEVICEID_CHAR_LENGTH) +
     "}$");
 
 // Config
 const std::string CONFIG_FILE_PATH =
     std::string(std::getenv("HOME")) + "/tunnelbroker/tunnelbroker.ini";
 
 // DeliveryBroker
 const size_t DELIVERY_BROKER_MAX_QUEUE_SIZE = 100;
+// Database messages TTL
+const size_t MESSAGE_RECORD_TTL = 300 * 24 * 60 * 60; // 300 days
 
 } // namespace network
 } // namespace comm
diff --git a/services/tunnelbroker/src/Database/DatabaseManager.cpp b/services/tunnelbroker/src/Database/DatabaseManager.cpp
index 33375e205..f23dd9434 100644
--- a/services/tunnelbroker/src/Database/DatabaseManager.cpp
+++ b/services/tunnelbroker/src/Database/DatabaseManager.cpp
@@ -1,238 +1,239 @@
 #include "DatabaseManager.h"
 
 namespace comm {
 namespace network {
 namespace database {
 
 DatabaseManager &DatabaseManager::getInstance() {
   static DatabaseManager instance;
   return instance;
 }
 
 bool DatabaseManager::isTableAvailable(const std::string &tableName) {
   Aws::DynamoDB::Model::DescribeTableRequest request;
   request.SetTableName(tableName);
 
   // Check table availability by invoking DescribeTable
   const Aws::DynamoDB::Model::DescribeTableOutcome &result =
       getDynamoDBClient()->DescribeTable(request);
   return result.IsSuccess();
 }
 
 void DatabaseManager::innerPutItem(
     std::shared_ptr<Item> item,
     const Aws::DynamoDB::Model::PutItemRequest &request) {
   const Aws::DynamoDB::Model::PutItemOutcome outcome =
       getDynamoDBClient()->PutItem(request);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
 }
 
 template <typename T>
 std::shared_ptr<T>
 DatabaseManager::innerFindItem(Aws::DynamoDB::Model::GetItemRequest &request) {
   std::shared_ptr<T> item = createItemByType<T>();
   request.SetTableName(item->getTableName());
   const Aws::DynamoDB::Model::GetItemOutcome &outcome =
       getDynamoDBClient()->GetItem(request);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
   const AttributeValues &outcomeItem = outcome.GetResult().GetItem();
   if (!outcomeItem.size()) {
     return nullptr;
   }
   item->assignItemFromDatabase(outcomeItem);
   return std::move(item);
 }
 
 void DatabaseManager::innerRemoveItem(
     const Item &item,
     const std::string &key) {
   Aws::DynamoDB::Model::DeleteItemRequest request;
   request.SetTableName(item.getTableName());
   request.AddKey(
       item.getPrimaryKey(), Aws::DynamoDB::Model::AttributeValue(key));
 
   const Aws::DynamoDB::Model::DeleteItemOutcome &outcome =
       getDynamoDBClient()->DeleteItem(request);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
 }
 
 void DatabaseManager::putSessionItem(const DeviceSessionItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(item.getTableName());
   request.AddItem(
       DeviceSessionItem::FIELD_SESSION_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getSessionID()));
   request.AddItem(
       DeviceSessionItem::FIELD_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getDeviceID()));
   request.AddItem(
       DeviceSessionItem::FIELD_PUBKEY,
       Aws::DynamoDB::Model::AttributeValue(item.getPubKey()));
   request.AddItem(
       DeviceSessionItem::FIELD_NOTIFY_TOKEN,
       Aws::DynamoDB::Model::AttributeValue(item.getNotifyToken()));
   request.AddItem(
       DeviceSessionItem::FIELD_DEVICE_TYPE,
       Aws::DynamoDB::Model::AttributeValue(item.getDeviceType()));
   request.AddItem(
       DeviceSessionItem::FIELD_APP_VERSION,
       Aws::DynamoDB::Model::AttributeValue(item.getAppVersion()));
   request.AddItem(
       DeviceSessionItem::FIELD_DEVICE_OS,
       Aws::DynamoDB::Model::AttributeValue(item.getDeviceOs()));
   request.AddItem(
       DeviceSessionItem::FIELD_CHECKPOINT_TIME,
       Aws::DynamoDB::Model::AttributeValue(
           std::to_string(item.getCheckpointTime())));
   request.AddItem(
       DeviceSessionItem::FIELD_EXPIRE,
       Aws::DynamoDB::Model::AttributeValue(std::to_string(
           static_cast<size_t>(std::time(0)) + SESSION_RECORD_TTL)));
   this->innerPutItem(std::make_shared<DeviceSessionItem>(item), request);
 }
 
 std::shared_ptr<DeviceSessionItem>
 DatabaseManager::findSessionItem(const std::string &sessionID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       DeviceSessionItem::FIELD_SESSION_ID,
       Aws::DynamoDB::Model::AttributeValue(sessionID));
   return std::move(this->innerFindItem<DeviceSessionItem>(request));
 }
 
 void DatabaseManager::removeSessionItem(const std::string &sessionID) {
   this->innerRemoveItem(*(createItemByType<DeviceSessionItem>()), sessionID);
 }
 
 void DatabaseManager::putSessionSignItem(const SessionSignItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(item.getTableName());
   request.AddItem(
       SessionSignItem::FIELD_SESSION_VERIFICATION,
       Aws::DynamoDB::Model::AttributeValue(item.getSign()));
   request.AddItem(
       SessionSignItem::FIELD_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getDeviceID()));
   request.AddItem(
       SessionSignItem::FIELD_EXPIRE,
       Aws::DynamoDB::Model::AttributeValue(std::to_string(
           static_cast<size_t>(std::time(0)) + SESSION_SIGN_RECORD_TTL)));
   this->innerPutItem(std::make_shared<SessionSignItem>(item), request);
 }
 
 std::shared_ptr<SessionSignItem>
 DatabaseManager::findSessionSignItem(const std::string &deviceID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       SessionSignItem::FIELD_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(deviceID));
   return std::move(this->innerFindItem<SessionSignItem>(request));
 }
 
 void DatabaseManager::removeSessionSignItem(const std::string &deviceID) {
   this->innerRemoveItem(*(createItemByType<SessionSignItem>()), deviceID);
 }
 
 void DatabaseManager::putPublicKeyItem(const PublicKeyItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(item.getTableName());
   request.AddItem(
       PublicKeyItem::FIELD_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getDeviceID()));
   request.AddItem(
       PublicKeyItem::FIELD_PUBLIC_KEY,
       Aws::DynamoDB::Model::AttributeValue(item.getPublicKey()));
   this->innerPutItem(std::make_shared<PublicKeyItem>(item), request);
 }
 
 std::shared_ptr<PublicKeyItem>
 DatabaseManager::findPublicKeyItem(const std::string &deviceID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       PublicKeyItem::FIELD_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(deviceID));
   return std::move(this->innerFindItem<PublicKeyItem>(request));
 }
 
 void DatabaseManager::removePublicKeyItem(const std::string &deviceID) {
   this->innerRemoveItem(*(createItemByType<PublicKeyItem>()), deviceID);
 }
 
 void DatabaseManager::putMessageItem(const MessageItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(item.getTableName());
   request.AddItem(
       MessageItem::FIELD_MESSAGE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getMessageID()));
   request.AddItem(
       MessageItem::FIELD_FROM_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getFromDeviceID()));
   request.AddItem(
       MessageItem::FIELD_TO_DEVICE_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getToDeviceID()));
   request.AddItem(
       MessageItem::FIELD_PAYLOAD,
       Aws::DynamoDB::Model::AttributeValue(item.getPayload()));
   request.AddItem(
       MessageItem::FIELD_BLOB_HASHES,
       Aws::DynamoDB::Model::AttributeValue(item.getBlobHashes()));
   request.AddItem(
       MessageItem::FIELD_EXPIRE,
-      Aws::DynamoDB::Model::AttributeValue(std::to_string(item.getExpire())));
+      Aws::DynamoDB::Model::AttributeValue(std::to_string(
+          static_cast<size_t>(std::time(0) + MESSAGE_RECORD_TTL))));
   request.AddItem(
       MessageItem::FIELD_CREATED_AT,
       Aws::DynamoDB::Model::AttributeValue(
           std::to_string(tools::getCurrentTimestamp())));
   this->innerPutItem(std::make_shared<MessageItem>(item), request);
 }
 
 std::shared_ptr<MessageItem>
 DatabaseManager::findMessageItem(const std::string &messageID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       MessageItem::FIELD_MESSAGE_ID,
       Aws::DynamoDB::Model::AttributeValue(messageID));
   return std::move(this->innerFindItem<MessageItem>(request));
 }
 
 std::vector<std::shared_ptr<MessageItem>>
 DatabaseManager::findMessageItemsByReceiver(const std::string &toDeviceID) {
   std::vector<std::shared_ptr<MessageItem>> result;
 
   Aws::DynamoDB::Model::QueryRequest req;
   req.SetTableName(MessageItem().getTableName());
   req.SetKeyConditionExpression(
       MessageItem::FIELD_TO_DEVICE_ID + " = :valueToMatch");
 
   AttributeValues attributeValues;
   attributeValues.emplace(":valueToMatch", toDeviceID);
 
   req.SetExpressionAttributeValues(attributeValues);
   req.SetIndexName(MessageItem::INDEX_TO_DEVICE_ID);
 
   const Aws::DynamoDB::Model::QueryOutcome &outcome =
       getDynamoDBClient()->Query(req);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
   const Aws::Vector<AttributeValues> &items = outcome.GetResult().GetItems();
   for (auto &item : items) {
     result.push_back(std::make_shared<MessageItem>(item));
   }
 
   return result;
 }
 
 void DatabaseManager::removeMessageItem(const std::string &messageID) {
   this->innerRemoveItem(*(createItemByType<MessageItem>()), messageID);
 }
 
 } // namespace database
 } // namespace network
 } // namespace comm
diff --git a/services/tunnelbroker/src/Database/MessageItem.cpp b/services/tunnelbroker/src/Database/MessageItem.cpp
index 92c063682..347d2db22 100644
--- a/services/tunnelbroker/src/Database/MessageItem.cpp
+++ b/services/tunnelbroker/src/Database/MessageItem.cpp
@@ -1,108 +1,105 @@
 #include "MessageItem.h"
 #include "ConfigManager.h"
 #include "Tools.h"
 
 #include <vector>
 
 namespace comm {
 namespace network {
 namespace database {
 
 const std::string MessageItem::FIELD_MESSAGE_ID = "MessageID";
 const std::string MessageItem::FIELD_FROM_DEVICE_ID = "FromDeviceID";
 const std::string MessageItem::FIELD_TO_DEVICE_ID = "ToDeviceID";
 const std::string MessageItem::FIELD_PAYLOAD = "Payload";
 const std::string MessageItem::FIELD_BLOB_HASHES = "BlobHashes";
 const std::string MessageItem::FIELD_EXPIRE = "Expire";
 const std::string MessageItem::FIELD_CREATED_AT = "CreatedAt";
 const std::string MessageItem::INDEX_TO_DEVICE_ID = "ToDeviceID-index";
 
 MessageItem::MessageItem(
     const std::string messageID,
     const std::string fromDeviceID,
     const std::string toDeviceID,
     const std::string payload,
-    const std::string blobHashes,
-    const uint64_t expire)
+    const std::string blobHashes)
     : messageID(messageID),
       fromDeviceID(fromDeviceID),
       toDeviceID(toDeviceID),
       payload(payload),
-      blobHashes(blobHashes),
-      expire(expire) {
+      blobHashes(blobHashes) {
   this->validate();
 }
 
 MessageItem::MessageItem(const AttributeValues &itemFromDB) {
   this->assignItemFromDatabase(itemFromDB);
 }
 
 void MessageItem::validate() const {
   if (!tools::validateDeviceID(this->fromDeviceID)) {
     throw std::runtime_error("Error: FromDeviceID format is wrong.");
   }
   if (!tools::validateDeviceID(this->toDeviceID)) {
     throw std::runtime_error("Error: ToDeviceID format is wrong.");
   }
   tools::checkIfNotEmpty("messageID", this->messageID);
-  tools::checkIfNotZero("expire", this->expire);
 }
 
 void MessageItem::assignItemFromDatabase(const AttributeValues &itemFromDB) {
   try {
     this->messageID = itemFromDB.at(MessageItem::FIELD_MESSAGE_ID).GetS();
     this->fromDeviceID =
         itemFromDB.at(MessageItem::FIELD_FROM_DEVICE_ID).GetS();
     this->toDeviceID = itemFromDB.at(MessageItem::FIELD_TO_DEVICE_ID).GetS();
     this->payload = itemFromDB.at(MessageItem::FIELD_PAYLOAD).GetS();
     this->blobHashes = itemFromDB.at(MessageItem::FIELD_BLOB_HASHES).GetS();
     this->expire = std::stoull(itemFromDB.at(MessageItem::FIELD_EXPIRE).GetS());
     this->createdAt =
         std::stoull(itemFromDB.at(MessageItem::FIELD_CREATED_AT).GetS());
   } catch (const std::exception &e) {
     throw std::runtime_error(
         "Got an exception at MessageItem: " + std::string(e.what()));
   }
   this->validate();
 }
 
 std::string MessageItem::getTableName() const {
   return config::ConfigManager::getInstance().getParameter(
       config::ConfigManager::OPTION_DYNAMODB_MESSAGES_TABLE);
 }
 
 std::string MessageItem::getPrimaryKey() const {
   return MessageItem::FIELD_MESSAGE_ID;
 }
 
 std::string MessageItem::getMessageID() const {
   return this->messageID;
 }
 
 std::string MessageItem::getFromDeviceID() const {
   return this->fromDeviceID;
 }
 
 std::string MessageItem::getToDeviceID() const {
   return this->toDeviceID;
 }
 
 std::string MessageItem::getPayload() const {
   return this->payload;
 }
 
 std::string MessageItem::getBlobHashes() const {
   return this->blobHashes;
 }
 
 uint64_t MessageItem::getExpire() const {
   return this->expire;
 }
 
 uint64_t MessageItem::getCreatedAt() const {
   return this->createdAt;
 }
 
 } // namespace database
 } // namespace network
 } // namespace comm
diff --git a/services/tunnelbroker/src/Database/MessageItem.h b/services/tunnelbroker/src/Database/MessageItem.h
index 5a70c78f3..3b370e7b2 100644
--- a/services/tunnelbroker/src/Database/MessageItem.h
+++ b/services/tunnelbroker/src/Database/MessageItem.h
@@ -1,57 +1,56 @@
 #pragma once
 
 #include "Item.h"
 
 #include <string>
 
 namespace comm {
 namespace network {
 namespace database {
 
 class MessageItem : public Item {
   std::string messageID;
   std::string fromDeviceID;
   std::string toDeviceID;
   std::string payload;
   std::string blobHashes;
   uint64_t expire;
   uint64_t createdAt;
 
   void validate() const override;
 
 public:
   static const std::string FIELD_MESSAGE_ID;
   static const std::string FIELD_FROM_DEVICE_ID;
   static const std::string FIELD_TO_DEVICE_ID;
   static const std::string FIELD_PAYLOAD;
   static const std::string FIELD_BLOB_HASHES;
   static const std::string FIELD_EXPIRE;
   static const std::string FIELD_CREATED_AT;
   static const std::string INDEX_TO_DEVICE_ID;
 
   std::string getPrimaryKey() const override;
   std::string getTableName() const override;
   std::string getMessageID() const;
   std::string getFromDeviceID() const;
   std::string getToDeviceID() const;
   std::string getPayload() const;
   std::string getBlobHashes() const;
   uint64_t getExpire() const;
   uint64_t getCreatedAt() const;
 
   MessageItem() {
   }
   MessageItem(
       const std::string messageID,
       const std::string fromDeviceID,
       const std::string toDeviceID,
       const std::string payload,
-      const std::string blobHashes,
-      const uint64_t expire);
+      const std::string blobHashes);
   MessageItem(const AttributeValues &itemFromDB);
   void assignItemFromDatabase(const AttributeValues &itemFromDB) override;
 };
 
 } // namespace database
 } // namespace network
 } // namespace comm
diff --git a/services/tunnelbroker/test/DatabaseManagerTest.cpp b/services/tunnelbroker/test/DatabaseManagerTest.cpp
index 9bdf084a9..8c0f099b7 100644
--- a/services/tunnelbroker/test/DatabaseManagerTest.cpp
+++ b/services/tunnelbroker/test/DatabaseManagerTest.cpp
@@ -1,298 +1,299 @@
 #include "DatabaseManager.h"
 #include "ConfigManager.h"
 #include "Constants.h"
 #include "Tools.h"
 
 #include <gtest/gtest.h>
 
 #include <ctime>
 #include <memory>
 #include <string>
 
 using namespace comm::network;
 
 class DatabaseManagerTest : public testing::Test {
 protected:
   virtual void SetUp() {
     config::ConfigManager::getInstance().load();
     Aws::InitAPI({});
   }
 
   virtual void TearDown() {
     Aws::ShutdownAPI({});
   }
 };
 
 TEST_F(DatabaseManagerTest, PutAndFoundMessageItemsStaticDataIsSame) {
   const database::MessageItem item(
       "bc0c1aa2-bf09-11ec-9d64-0242ac120002",
       "mobile:EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm",
       "web:JouLWf84zqRIsjBdHLOcHS9M4eSCz7VF84wT1uOD83u1qxDAqmqI4swmxNINjuhd",
       "lYlNcO6RR4i9UW3G1DGjdJTRRGbqtPya2aj94ZRjIGZWoHwT5MB9ciAgnQf2VafYb9Tl"
       "8SZkX37tg4yZ9pOb4lqslY4g4h58OmWjumghVRvrPUZDalUuK8OLs1Qoengpu9wccxAk"
       "Bti2leDTNeiJDy36NnwS9aCIUc0ozsMvXfX1gWdBdmKbiRG1LvpNd6S7BNGG7Zly5zYj"
       "xz7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8G5"
       "RJ1NEDQq2q2FRfWjNHLhky92C2C7Nnfe4oVzSinfC1319uUkNLpSzI4MvEMi6g5Ukbl7"
       "iGhpnX7Hp4xpBL3h2IkvGviDRQ98UvW0ugwUuPxm1NOQpjLG5dPoqQ0jrMst0Bl5rgPw"
       "ajjNGsUWmp9r0ST0wRQXrQcY30PoSoqKSlCEgFMLzHWLrPQ86QFyCICismGSe7iBIqdD"
       "6d37StvXBzfJoZVU79UeOF2bFvb3DNoArEOe",
-      "7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8",
-      static_cast<uint64_t>(std::time(0)) + 600);
+      "7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8");
   const size_t currentTimestamp = tools::getCurrentTimestamp();
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putMessageItem(item);
   std::shared_ptr<database::MessageItem> foundItem =
       database::DatabaseManager::getInstance().findMessageItem(
           item.getMessageID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getFromDeviceID(), foundItem->getFromDeviceID());
   EXPECT_EQ(item.getToDeviceID(), foundItem->getToDeviceID());
   EXPECT_EQ(item.getPayload(), foundItem->getPayload());
   EXPECT_EQ(item.getBlobHashes(), foundItem->getBlobHashes());
-  EXPECT_EQ(item.getExpire(), foundItem->getExpire());
+  EXPECT_EQ(
+      (foundItem->getExpire() >= static_cast<size_t>(std::time(0))) &&
+          (foundItem->getExpire() <=
+           static_cast<size_t>(std::time(0) + MESSAGE_RECORD_TTL)),
+      true);
   EXPECT_EQ(
       foundItem->getCreatedAt() >= currentTimestamp &&
           foundItem->getCreatedAt() <= tools::getCurrentTimestamp(),
       true);
   database::DatabaseManager::getInstance().removeMessageItem(
       item.getMessageID());
 }
 
 TEST_F(DatabaseManagerTest, PutAndFoundMessageItemsGeneratedDataIsSame) {
   const database::MessageItem item(
       tools::generateUUID(),
       "mobile:" + tools::generateRandomString(DEVICEID_CHAR_LENGTH),
       "web:" + tools::generateRandomString(DEVICEID_CHAR_LENGTH),
       tools::generateRandomString(256),
-      tools::generateRandomString(256),
-      static_cast<uint64_t>(std::time(0)) + 600);
+      tools::generateRandomString(256));
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putMessageItem(item);
   std::shared_ptr<database::MessageItem> foundItem =
       database::DatabaseManager::getInstance().findMessageItem(
           item.getMessageID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getFromDeviceID(), foundItem->getFromDeviceID())
       << "Generated FromDeviceID \"" << item.getFromDeviceID()
       << "\" differs from what is found in the database "
       << foundItem->getFromDeviceID();
   EXPECT_EQ(item.getToDeviceID(), foundItem->getToDeviceID())
       << "Generated ToDeviceID \"" << item.getToDeviceID()
       << "\" differs from what is found in the database "
       << foundItem->getToDeviceID();
   EXPECT_EQ(item.getPayload(), foundItem->getPayload())
       << "Generated Payload \"" << item.getPayload()
       << "\" differs from what is found in the database "
       << foundItem->getPayload();
   EXPECT_EQ(item.getBlobHashes(), foundItem->getBlobHashes())
       << "Generated BlobHashes \"" << item.getBlobHashes()
       << "\" differs from what is found in the database "
       << foundItem->getBlobHashes();
-  EXPECT_EQ(item.getExpire(), foundItem->getExpire())
-      << "Generated Expire time \"" << item.getExpire()
-      << "\" differs from what is found in the database "
-      << foundItem->getExpire();
   database::DatabaseManager::getInstance().removeMessageItem(
       item.getMessageID());
 }
 
 TEST_F(DatabaseManagerTest, TestOperationsOnDeviceSessionItem) {
   const database::DeviceSessionItem item(
       "bc0c1aa2-bf09-11ec-9d64-0242ac120002",
       "mobile:EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm",
       "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9Q9wodsQdZNynbTnC35hA4mFW"
       "mwZf9BhbI93aGAwPF9au0eYsawRz0jtYi4lSFXC9KleyQDg+6J+UW1kiWvE3ZRYG"
       "ECqgx4zqajPTzVt7EAOGaIh/dPyQ6x2Ul1GlkkSYXUhhixEzExGp9g84eCyVkbCB"
       "U3SK6SNKyR7anAXDVQIDAQAB",
       "hbI93aGAwPF9au0eYsawRz0jtYi4lSFXC9KleyQDg+6J+UW1kiWvE3",
       "phone",
       "ios:1.1.1",
       "iOS 99.99.99");
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putSessionItem(item);
   std::shared_ptr<database::DeviceSessionItem> foundItem =
       database::DatabaseManager::getInstance().findSessionItem(
           item.getSessionID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getDeviceID(), foundItem->getDeviceID());
   EXPECT_EQ(item.getPubKey(), foundItem->getPubKey());
   EXPECT_EQ(item.getNotifyToken(), foundItem->getNotifyToken());
   EXPECT_EQ(item.getDeviceType(), foundItem->getDeviceType());
   EXPECT_EQ(item.getAppVersion(), foundItem->getAppVersion());
   EXPECT_EQ(item.getDeviceOs(), foundItem->getDeviceOs());
   database::DatabaseManager::getInstance().removeSessionItem(
       item.getSessionID());
 }
 
 TEST_F(DatabaseManagerTest, TestOperationsOnDeviceSessionItemGenerated) {
   const database::DeviceSessionItem item(
       tools::generateUUID(),
       "mobile:" + tools::generateRandomString(DEVICEID_CHAR_LENGTH),
       tools::generateRandomString(451),
       tools::generateRandomString(64),
       tools::generateRandomString(12),
       tools::generateRandomString(12),
       tools::generateRandomString(12));
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putSessionItem(item);
   std::shared_ptr<database::DeviceSessionItem> foundItem =
       database::DatabaseManager::getInstance().findSessionItem(
           item.getSessionID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getDeviceID(), foundItem->getDeviceID())
       << "Generated DeviceID \"" << item.getDeviceID()
       << "\" differs from what is found in the database "
       << foundItem->getDeviceID();
   EXPECT_EQ(item.getPubKey(), foundItem->getPubKey())
       << "Generated PubKey \"" << item.getPubKey()
       << "\" differs from what is found in the database "
       << foundItem->getPubKey();
   EXPECT_EQ(item.getNotifyToken(), foundItem->getNotifyToken())
       << "Generated NotifyToken \"" << item.getNotifyToken()
       << "\" differs from what is found in the database "
       << foundItem->getNotifyToken();
   EXPECT_EQ(item.getDeviceType(), foundItem->getDeviceType())
       << "Generated DeviceType \"" << item.getDeviceType()
       << "\" differs from what is found in the database "
       << foundItem->getDeviceType();
   EXPECT_EQ(item.getAppVersion(), foundItem->getAppVersion())
       << "Generated AppVersion \"" << item.getAppVersion()
       << "\" differs from what is found in the database "
       << foundItem->getAppVersion();
   EXPECT_EQ(item.getDeviceOs(), foundItem->getDeviceOs())
       << "Generated DeviceOS \"" << item.getDeviceOs()
       << "\" differs from what is found in the database "
       << foundItem->getDeviceOs();
   database::DatabaseManager::getInstance().removeSessionItem(
       item.getSessionID());
 }
 
 TEST_F(DatabaseManagerTest, TestOperationsOnSessionSignItem) {
   const database::SessionSignItem item(
       "bB3OSLdKlY60KPBpw6VoGKX7Lmw3SA07FmNhnqnclvVeaxXueAQ0dpQSpiQTtlGn",
       "mobile:"
       "EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm");
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putSessionSignItem(item);
   std::shared_ptr<database::SessionSignItem> foundItem =
       database::DatabaseManager::getInstance().findSessionSignItem(
           item.getDeviceID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getSign(), foundItem->getSign());
   database::DatabaseManager::getInstance().removeSessionSignItem(
       item.getDeviceID());
 }
 
 TEST_F(DatabaseManagerTest, TestOperationsOnSessionSignItemGenerated) {
   const database::SessionSignItem item(
       tools::generateRandomString(SIGNATURE_REQUEST_LENGTH),
       "mobile:" + tools::generateRandomString(DEVICEID_CHAR_LENGTH));
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putSessionSignItem(item);
   std::shared_ptr<database::SessionSignItem> foundItem =
       database::DatabaseManager::getInstance().findSessionSignItem(
           item.getDeviceID());
   EXPECT_NE(foundItem, nullptr) << "Item with the key of deviceID \""
                                 << item.getDeviceID() << "\" is not found";
   EXPECT_EQ(item.getSign(), foundItem->getSign())
       << "Generated signature value \"" << item.getSign()
       << "\" is not equal of \"" + foundItem->getSign() +
           "\" from the database value";
   database::DatabaseManager::getInstance().removeSessionSignItem(
       item.getDeviceID());
 }
 
 TEST_F(DatabaseManagerTest, PutAndFoundPublicKeyItemsStaticDataIsSame) {
   const database::PublicKeyItem item(
       "mobile:EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm",
       "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9Q9wodsQdZNynbTnC35hA4mFW"
       "mwZf9BhbI93aGAwPF9au0eYsawRz0jtYi4lSFXC9KleyQDg+6J+UW1kiWvE3ZRYG"
       "ECqgx4zqajPTzVt7EAOGaIh/dPyQ6x2Ul1GlkkSYXUhhixEzExGp9g84eCyVkbCB"
       "U3SK6SNKyR7anAXDVQIDAQAB");
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putPublicKeyItem(item);
   std::shared_ptr<database::PublicKeyItem> foundItem =
       database::DatabaseManager::getInstance().findPublicKeyItem(
           item.getDeviceID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getPublicKey(), foundItem->getPublicKey());
   database::DatabaseManager::getInstance().removePublicKeyItem(
       item.getDeviceID());
 }
 
 TEST_F(DatabaseManagerTest, PutAndFoundPublicKeyItemsGeneratedDataIsSame) {
   const database::PublicKeyItem item(
       "mobile:" + tools::generateRandomString(DEVICEID_CHAR_LENGTH),
       tools::generateRandomString(451));
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putPublicKeyItem(item);
   std::shared_ptr<database::PublicKeyItem> foundItem =
       database::DatabaseManager::getInstance().findPublicKeyItem(
           item.getDeviceID());
   EXPECT_NE(foundItem, nullptr);
   EXPECT_EQ(item.getPublicKey(), foundItem->getPublicKey())
       << "Generated PublicKey \"" << item.getPublicKey()
       << "\" differs from what is found in the database "
       << foundItem->getPublicKey();
   database::DatabaseManager::getInstance().removePublicKeyItem(
       item.getDeviceID());
 }
 
 TEST_F(DatabaseManagerTest, PutAndFoundByReceiverMessageItemsDataIsSame) {
   const std::string receiverID =
       "mobile:EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm";
   const database::MessageItem item(
       "bc0c1aa2-bf09-11ec-9d64-0242ac120002",
       "mobile:EMQNoQ7b2ueEmQ4QsevRWlXxFCNt055y20T1PHdoYAQRt0S6TLzZWNM6XSvdWqxm",
       receiverID,
       "lYlNcO6RR4i9UW3G1DGjdJTRRGbqtPya2aj94ZRjIGZWoHwT5MB9ciAgnQf2VafYb9Tl"
       "8SZkX37tg4yZ9pOb4lqslY4g4h58OmWjumghVRvrPUZDalUuK8OLs1Qoengpu9wccxAk"
       "Bti2leDTNeiJDy36NnwS9aCIUc0ozsMvXfX1gWdBdmKbiRG1LvpNd6S7BNGG7Zly5zYj"
       "xz7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8G5"
       "RJ1NEDQq2q2FRfWjNHLhky92C2C7Nnfe4oVzSinfC1319uUkNLpSzI4MvEMi6g5Ukbl7"
       "iGhpnX7Hp4xpBL3h2IkvGviDRQ98UvW0ugwUuPxm1NOQpjLG5dPoqQ0jrMst0Bl5rgPw"
       "ajjNGsUWmp9r0ST0wRQXrQcY30PoSoqKSlCEgFMLzHWLrPQ86QFyCICismGSe7iBIqdD"
       "6d37StvXBzfJoZVU79UeOF2bFvb3DNoArEOe",
-      "7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8",
-      static_cast<uint64_t>(std::time(0)) + 600);
+      "7s6ZUSDoFfZe3eJWQ15ngYhgMw1TsfbECnMVQTYvY6OyqWPBQi5wiftFcluoxor8");
   EXPECT_EQ(
       database::DatabaseManager::getInstance().isTableAvailable(
           item.getTableName()),
       true);
   database::DatabaseManager::getInstance().putMessageItem(item);
   std::vector<std::shared_ptr<database::MessageItem>> foundItems =
       database::DatabaseManager::getInstance().findMessageItemsByReceiver(
           receiverID);
   EXPECT_NE(foundItems.size(), 0);
   EXPECT_EQ(item.getFromDeviceID(), foundItems[0]->getFromDeviceID());
   EXPECT_EQ(item.getToDeviceID(), foundItems[0]->getToDeviceID());
   EXPECT_EQ(item.getPayload(), foundItems[0]->getPayload());
   EXPECT_EQ(item.getBlobHashes(), foundItems[0]->getBlobHashes());
-  EXPECT_EQ(item.getExpire(), foundItems[0]->getExpire());
+  EXPECT_EQ(
+      (foundItems[0]->getExpire() >= static_cast<size_t>(std::time(0))) &&
+          (foundItems[0]->getExpire() <=
+           static_cast<size_t>(std::time(0) + MESSAGE_RECORD_TTL)),
+      true);
   database::DatabaseManager::getInstance().removeMessageItem(
       item.getMessageID());
 }