UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YfJS0jSlw/ZkQMhhxFIYETLWqRSd4THSVsR81/7jyvU=' 
WHERE 
  key_id = '9691ebd121e62f43e8d93398775acf905f0f34b6676921848f2cce4d766ab5fb' 
  AND (
    token = 'YfJS0jSlw/ZkQMhhxFIYETLWqRSd4THSVsR81/7jyvU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )