read kippt user clips

kippt.user.clips.js

var getKipptReads = function(userId, callback) {
  if(!userId) throw new Error('missing user id');
  var query = 'use "store://OdRiZuDnzAn82XXFXFeQBg" as kippt.user.clips; select * FROM kippt.user.clips WHERE user_id="' + userId + '";';
  $.getJSON('http://query.yahooapis.com/v1/public/yql?q=' + encodeURI(query + '&format=json&env=store://datatables.org/alltableswithkeys&callback=?'),   
  function(data){
    if(data.query.count > 0) {
      if(callback) return callback.call(null, data.query.results.json);
    } else {
      if(callback) return callback.call(null, false); 
    }
  });
}