UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMFR1pttnCt7osHe6cmm6MPZiDvNLA9NRnZOhqHb0dA=' 
WHERE 
  key_id = '3ad6e490e94943192f8cdca32ab02a6efb092e354051613ac33f5edddb2f48f4' 
  AND (
    token = 'VMFR1pttnCt7osHe6cmm6MPZiDvNLA9NRnZOhqHb0dA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )