CAllDavVirtualFileSystem::Unlock

static function Unlock($path, $token)
{
	$dbResult = CDavVirtualFileSystem::GetList(array(), array("PATH" => $path, "ID" => $token), false, false, array("ID"));
	if ($arResult = $dbResult->Fetch())
	{
		self::Delete($arResult["ID"]);
		unset(self::$lockCache[$path]);
	}

	return true;
}