Time-based trigger for specific time

Code.gs

function createTrigger() {
  var time = new Date();
  time.setMinutes(time.getMinutes() + 5);
  ScriptApp.newTrigger('run')
    .timeBased()
    .at(time)
    .create();
}

function run() {
  DriveApp.createFile('trigger.txt', new Date().toString());
}