[рони]

Profuter,

let workerFlag, timer, pause = 30 * 60 * 1000;

        function worker() {
            if (workerFlag) return;
            //code...
        }

        function dream() {
            window.clearTimeout(timer);
            workerFlag = false;
            timer = window.setTimeout(() => workerFlag = true, pause)
        }
        document.addEventListener("mousemove", dream);
        document.addEventListener("keydown", dream);