update products_options_values 
set 

products_options_values_name ='<@SDESCRIPTION@>',
products_options_values_thumbnail = IF('<@EXT@>'='','','<@SFILEDESCRIPTION@><@EXT@>') ,
products_options_values_sort_order = <@WSORTNO@>

where products_options_values_id = <@KEY@>
and language_id = <@LANGEXTID@>
