UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8/xeNoMhV9eZe+qQfEAu8yeFNstu1qimOPQTYzEkgMQ=' 
WHERE 
  key_id = '27468c4a4b12f81cc8db00b2625444bbbb6b2508e89db9cd2a39f78cc3aec7f4' 
  AND (
    token = '8/xeNoMhV9eZe+qQfEAu8yeFNstu1qimOPQTYzEkgMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )