UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KjX+I3F2VUXWvK7UY5Tvo3ZfKHlzf6hVzUPOLw4t8gk=' 
WHERE 
  key_id = 'a92cf28b44b65f296ecd1efdd96da67fbf6bca04612847df9f7c967e56d1dc2b' 
  AND (
    token = 'KjX+I3F2VUXWvK7UY5Tvo3ZfKHlzf6hVzUPOLw4t8gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )