UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tJ5N9DIfsTLaoyVNZ6BkU4wfheRetaMvaV7AaCVgP6E=' 
WHERE 
  key_id = '0a3c96a18cb785234c0dc15529719af6c8d98fec9a9fe43a67e073c9406babec' 
  AND (
    token = 'tJ5N9DIfsTLaoyVNZ6BkU4wfheRetaMvaV7AaCVgP6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )