UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'muHQUbot4P7PKaclReJzLZhk3CDDSZfE14tMsUeNqeU=' 
WHERE 
  key_id = 'a814f16fd36f15e60fbca1406d38641c079c148863add716b64792f2f53429f0' 
  AND (
    token = 'muHQUbot4P7PKaclReJzLZhk3CDDSZfE14tMsUeNqeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )