yqlcache usage

gistfile1.js

var username = 'yelf'; 
yqlcache.get({
    yql: 'use "http://thinkphp.ro/apps/lastfm.js/YQL-open-data-table/recentlastfm.xml" as lastfm;select * from lastfm where username="'+ username +'" and api_key="2993c6e15c91a2890c2f11fa95673067"',
    id:'lastfm_'+username,
    cacheage: (60*60*1000),
    callback: function(o) {
           console.log(o); 
           document.getElementById('result').innerHTML = o.data.result;
    }
});