UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EzosNOw3wtnNbWVHOY97QLxY6JQmmS8da1iyKUAGOYQ=' 
WHERE 
  key_id = '76957f4767569ca92ce14dccc99b26d7f6f8dbe63be8073d451a8aac80c8c961' 
  AND (
    token = 'EzosNOw3wtnNbWVHOY97QLxY6JQmmS8da1iyKUAGOYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )