UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RwxVwtQl6H+1Hdsf6EcFjgRv8kpxRSgZhCmB9Y4vG+A=' 
WHERE 
  key_id = 'f6dcc51060b5c6dec45aa9b09b423993ee0b26ec9d20d0a20e8c3411ea7181e3' 
  AND (
    token = 'RwxVwtQl6H+1Hdsf6EcFjgRv8kpxRSgZhCmB9Y4vG+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )