UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LXlkvt5lxD3AhfQO1AgqDs3eIkLmmTWzGUgclshECuM=' 
WHERE 
  key_id = '79dd9c24bee8e2834d55f8992aa1db9471e9f11c8b5a6e8525392eea0cd68927' 
  AND (
    token = 'LXlkvt5lxD3AhfQO1AgqDs3eIkLmmTWzGUgclshECuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )