Refresh token - node-cron example

gistfile1.js

var cron = require('cron');

var cronJob = cron.job("0 */55 * * * *", function() {
    User.find({
        where: {
            dwolla_id: '812-196-0757' //query user in db
        }
    }).then(function(user) {
        if (user) { //if user exists in db
            var rToken = user.dwolla_refresh; //grab the existing stored refresh token
            Dwolla.refreshAuth(rToken, function(error, auth) { //pass refresh token into refreshAuth request
                if (error) {
                    return console.log(error);
                }
                user.updateAttributes({
                    dwolla_refresh: auth.refresh_token //From response, set new refresh token in db
                }).success(function() {
                    console.log("updated");
                })
            });
        } else {
          console.log("user does not exist");
        }
    }).
    catch (function(err) {
        console.log(err);
    })
    console.info('cron job completed');
});
cronJob.start();