UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9um7c81pbXumk8yScdJu6hm68syxI87aRjt2kiEV1Vo=' 
WHERE 
  key_id = 'e1bf6ced879fb2c4b8f0a45a71378c77c7d55328405fda13011b796627b14829' 
  AND (
    token = '9um7c81pbXumk8yScdJu6hm68syxI87aRjt2kiEV1Vo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )