UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XHJLddhJw8v2ldOtYJ2hntppBTk0hfAlxPnq7cwD7TQ=' 
WHERE 
  key_id = '9504dd99e3ef086a44ea9fb4c09466cee0e33b60c24d9a0b9d9585d6b289b3b6' 
  AND (
    token = 'XHJLddhJw8v2ldOtYJ2hntppBTk0hfAlxPnq7cwD7TQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )