Disk full (/var/tmp/#sql_ef5_0); waiting for someone to free some space...
SELECT pot.*, pot.name_ru AS _name_sort, povt.*
FROM SC_product_options_values as povt LEFT JOIN SC_product_options as pot ON pot.optionID=povt.optionID
WHERE povt.productID IN ('13976','13975','13963','13961','13974','13968') ORDER BY pot.sort_order, _name_sort