UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/4xv1RsX8MgHOavE7ULozDK9//UtmlffrKUr9C7JLjs=' 
WHERE 
  key_id = '3b81b12a15595716d51fd7850b7ccdaab45a2044bc22d15659f7deba1527db00' 
  AND (
    token = '/4xv1RsX8MgHOavE7ULozDK9//UtmlffrKUr9C7JLjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )