def verifyToken(expiration: String) = {
        //"2014-05-28T22:19:10Z"
        val exp_format = expiration.split("T")(1).split("Z")(0) + " " + expiration.split("T")(0)

        val sdf = new SimpleDateFormat("HH:mm:ss yyyy-M-DD")
        val token_date = sdf.parse(exp_format)
        val current_date = new Date()

        val difference = current_date.getTime() - token_date.getTime();

        if (difference > 0) {
            true
        } else {
            false
        }
    }