UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQg79Wwdxk7/wz/wBwoh7VLzTg1B0Df31LgZVnMXUUs=' 
WHERE 
  key_id = 'f83cc6bcf3eac01fe16543db2fad56c90b65b9bcbe5bf9a4694843e33ba2e02f' 
  AND (
    token = 'MQg79Wwdxk7/wz/wBwoh7VLzTg1B0Df31LgZVnMXUUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )