UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKUDV8F5hI20ASK+5utyxOFc9tvfukkzx8Zk2AHZr/o=' 
WHERE 
  key_id = '7676f16caeae102137997abd52894c5d67b8a28613a6ee59d2c2cd1f8a5f87ed' 
  AND (
    token = 'MKUDV8F5hI20ASK+5utyxOFc9tvfukkzx8Zk2AHZr/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )