UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ryB0YgqWZqCs76f1f0OrlTr7Lq+7BQSvTuGA04FgkXc=' 
WHERE 
  key_id = 'd27e8fc5d6a0d86acf3d2c21b85555b010698e492d3b7f96b5af326c88b02828' 
  AND (
    token = 'ryB0YgqWZqCs76f1f0OrlTr7Lq+7BQSvTuGA04FgkXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )