diff --git a/src/api/core/accounts.rs b/src/api/core/accounts.rs
index 7c3919ad..1d3bcf37 100644
--- a/src/api/core/accounts.rs
+++ b/src/api/core/accounts.rs
@@ -1190,11 +1190,19 @@ async fn put_auth_request(
         err!("AuthRequest doesn't exist", "User uuid's do not match")
     }
 
+    if auth_request.approved.is_some() {
+        err!("An authentication request with the same device already exists")
+    }
+
+    let response_date = Utc::now().naive_utc();
+    let response_date_utc = format_date(&response_date);
+
     if data.request_approved {
         auth_request.approved = Some(data.request_approved);
         auth_request.enc_key = Some(data.key);
         auth_request.master_password_hash = data.master_password_hash;
         auth_request.response_device_id = Some(data.device_identifier.clone());
+        auth_request.response_date = Some(response_date);
         auth_request.save(&mut conn).await?;
 
         ant.send_auth_response(&auth_request.user_uuid, &auth_request.uuid).await;
@@ -1204,8 +1212,6 @@ async fn put_auth_request(
         auth_request.delete(&mut conn).await?;
     }
 
-    let response_date_utc = auth_request.response_date.map(|response_date| format_date(&response_date));
-
     Ok(Json(json!({
         "id": uuid,
         "publicKey": auth_request.public_key,
diff --git a/src/api/identity.rs b/src/api/identity.rs
index f2618164..445d61fd 100644
--- a/src/api/identity.rs
+++ b/src/api/identity.rs
@@ -190,8 +190,12 @@ async fn _password_login(
             )
         };
 
+        let expiration_time = auth_request.creation_date + chrono::Duration::minutes(5);
+        let request_expired = Utc::now().naive_utc() >= expiration_time;
+
         if auth_request.user_uuid != user.uuid
             || !auth_request.approved.unwrap_or(false)
+            || request_expired
             || ip.ip.to_string() != auth_request.request_ip
             || !auth_request.check_access_code(password)
         {