bad ttl, not in seconds :|

bad-ttl.js

var redis = require('redis'),
    client = redis.createClient();
client.on("error", function (err) { console.log("Error " + err.stack) });

client.set('hello', 'mjr');
var timestamp = (new Date()).getTime() + 400e3;
client.expireat('hello', timestamp, function(err, set) {
    client.ttl('hello', function (err, ttl) {
        console.log(ttl - timestamp);
    });
    client.quit()
});