UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqZupt8PRmb776Je9zaj4ff0lH1uR1EobEJnA+txpN0=' 
WHERE 
  key_id = 'b3935220f109da743e457a3bedac94d0efc709e03f680129a29a5a9060ec69ee' 
  AND (
    token = 'PqZupt8PRmb776Je9zaj4ff0lH1uR1EobEJnA+txpN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )