CBPWorkflowPersister::lockDb

private function lockDb(string $workflowId, bool $release = false): bool
{
	$name = 'bizproc_' . $workflowId;
	$connection = MainApplication::getInstance()->getConnection();

	if ($release)
	{
		return $connection->unlock($name);
	}

	return $connection->lock($name);
}