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 $rsVals = CSaleOrderPropsValue::GetList(array("SORT" => "ASC"), array("ORDER_ID" => $id,
                    "ORDER_PROPS_ID" => 22));

                if ($arVals = $rsVals->Fetch()) {
                    CSaleOrderPropsValue::Update($arVals['ID'], array("VALUE" => $arOrder['ORDER_PROP'][22]));
                } else {
                    $arFieldsOrder = array(
                        "ORDER_ID" => $id,
                        "ORDER_PROPS_ID" => 22,
                        "NAME" => "Пункт самовывоза",
                        "VALUE" => $arOrder['ORDER_PROP'][22],
                    );
                    CSaleOrderPropsValue::Add($arFieldsOrder);
                }