def METHOD_NAME(self, at=None):
    """Trigger the cron job runners
    Odoo will prevent concurrent cron jobs from running.
    So, to support parallel execution, we'd need to have (at least) the
    same number of ir.crons records as cron workers.
    All crons should be triggered at the same time.
    """
    crons = self.env["ir.cron"].sudo().search([("queue_job_runner", "=", True)])
    for cron in crons:
        cron._trigger(at=at)