diff --git a/keyserver/src/fetchers/olm-account-fetcher.js b/keyserver/src/fetchers/olm-account-fetcher.js
new file mode 100644
--- /dev/null
+++ b/keyserver/src/fetchers/olm-account-fetcher.js
@@ -0,0 +1,28 @@
+// @flow
+
+import type { Account as OlmAccount } from '@commapp/olm';
+
+import { dbQuery, SQL } from '../database/database.js';
+import { unpicklePickledOlmAccount } from '../utils/olm-utils.js';
+
+async function fetchKeyserverOlmAccount(
+  isPrimary: boolean,
+): Promise<{ account: OlmAccount, picklingKey: string }> {
+  const olmAccountResult = await dbQuery(
+    SQL`
+      SELECT pickling_key, pickled_olm_account FROM keyserver_olm_accounts WHERE is_primary=${isPrimary};
+    `,
+  );
+
+  const picklingKey = olmAccountResult[0][0].pickling_key;
+  const pickledAccount = olmAccountResult[0][0].pickled_olm_account;
+
+  const account = await unpicklePickledOlmAccount({
+    picklingKey,
+    pickledAccount,
+  });
+
+  return { account, picklingKey };
+}
+
+export { fetchKeyserverOlmAccount };
diff --git a/keyserver/src/updaters/olm-account-updater.js b/keyserver/src/updaters/olm-account-updater.js
new file mode 100644
--- /dev/null
+++ b/keyserver/src/updaters/olm-account-updater.js
@@ -0,0 +1,20 @@
+// @flow
+
+import type { Account as OlmAccount } from '@commapp/olm';
+
+import { dbQuery, SQL } from '../database/database.js';
+
+async function updateOlmAccount(
+  account: OlmAccount,
+  picklingKey: string,
+  isPrimary: boolean,
+): Promise<void> {
+  const pickledAccount = account.pickle(picklingKey);
+  await dbQuery(
+    SQL`
+      UPDATE keyserver_olm_accounts SET pickled_olm_account=${pickledAccount} WHERE is_primary=${isPrimary};
+    `,
+  );
+}
+
+export { updateOlmAccount };