src/Queue.php
public function later($delay, Job $job)
    {
        return $this->driver->later(
            $delay,
            $job->queue,
            $this->createPayload($job),
            $job->retry_after
        );
    }
public function later($delay, Job $job)
    {
        return $this->driver->later(
            $delay,
            $job->queue,
            $this->createPayload($job),
            $job->retry_after
        );
    }
Push a new job onto the queue after a delay.

@param  \DateTime|int  $delay
@param  Job  $job
@return mixed