UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '99NBykytVc9K8BoqHUZw0NB773czQGqYOeiNgKMtK5I=' 
WHERE 
  key_id = 'a3c15c13be63d00a25551b6d726150f53265eee79dc03d79c436a1b1494906a4' 
  AND (
    token = '99NBykytVc9K8BoqHUZw0NB773czQGqYOeiNgKMtK5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029