UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qnvmxRGaDZOAxBVNotXr0GhYYUe2prE5HMPS4oVrBT0=' 
WHERE 
  key_id = '9878548db73e143a66d243eee644683789d4e41a374701240ae62f711c706637' 
  AND (
    token = 'qnvmxRGaDZOAxBVNotXr0GhYYUe2prE5HMPS4oVrBT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )