UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1254dcrTY+UiGOokAQEY24vmYqWZQU3iu3xJ1FL+lgA=' 
WHERE 
  key_id = '7a4b956e74d166497bf6584a6cc84e0cd41a39b2f1d7c464028efeff86c66952' 
  AND (
    token = '1254dcrTY+UiGOokAQEY24vmYqWZQU3iu3xJ1FL+lgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )