You could solve this problem as follows:
Touch the [3 dots] in the top right → Touch the [Settings] button → Touch the [Time correction for code] button → Touch the [Sync now] button (Wait for a second) → Try again
2. iOS (iPhone & iPad)
1) Run [Google Authenticator App] again.
2) Run [Settings App] on your iPhone or iPad → Touch the [General] App → Touch the [Date & Time] → Turn on the [Set Automatically] (Wait for a second) → Try again