UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ss8wdOVzfr0ki+dvZMQc8cv3tSHcx0KuRA1WVY/uvc0=' 
WHERE 
  key_id = '2c68a33fc095ae5a5998635d0f38df8423c5ae04d3c345036c6a084314ada918' 
  AND (
    token = 'ss8wdOVzfr0ki+dvZMQc8cv3tSHcx0KuRA1WVY/uvc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )