UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//AkYIZF5mdmyuci5je4tnxsyqMNbz8T/6CmL4W4OXc=' 
WHERE 
  key_id = '17b8c56d9db0936c6bca40b7c87390029e865502611691e9ac22b53c584a7251' 
  AND (
    token = '//AkYIZF5mdmyuci5je4tnxsyqMNbz8T/6CmL4W4OXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )