async def METHOD_NAME(configure):
    deferrer1 = configure(
        queueing_lock="bla",
        task_kwargs={"timestamp": 1234567890},
    )
    deferrer2 = configure(
        queueing_lock="bla",
        task_kwargs={"timestamp": 1234567891},
    )
    await deferrer1.job_manager.defer_periodic_job(
        job=deferrer1.job,
        periodic_id="",
        defer_timestamp=1234567890,
    )
    with pytest.raises(exceptions.AlreadyEnqueued):
        await deferrer2.job_manager.defer_periodic_job(
            job=deferrer2.job,
            periodic_id="",
            defer_timestamp=1234567891,
        )