SELECT 
  * 
FROM 
  cscart_product_options_inventory 
WHERE 
  product_id = 10713 
  AND combination_hash = '2088223587'

Query time 0.00026

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_product_options_inventory const PRIMARY,pc PRIMARY 4 const 1

Result

product_id product_code combination_hash combination amount temp position price weight min_qty max_qty qty_step list_qty_count aval_status
10713 ODV-EDW-CK02-0000 2088223587 1307_23775_560_14378_719_15932 12.00 N 90 298.37 17.25 0 0 0 0 1