UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zLn7QaRLtla53Aphsn9juP8D19MHTCLskod4wIMu3go=' 
WHERE 
  key_id = 'c6b3ad0371a8d6ea911fbb8bfbe238e682e766101e739e56808160d73261be5a' 
  AND (
    token = 'zLn7QaRLtla53Aphsn9juP8D19MHTCLskod4wIMu3go=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )