SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (8347, 8350)

Query time 0.00039

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_products range PRIMARY,product_id_idx PRIMARY 3 2 Using index condition

Result

product_id product_code product_type status company_id list_price amount weight length width height shipping_freight low_avail_limit timestamp updated_timestamp usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params shipping_availability_id ms_type master_id unit_price aval_status facebook_obj_type cp_additinal_product_enabled cp_additinal_product_items cp_delivery_date youtube_link show_youtube_video replace_main_image size_chart_id staff_notes emo_pn emo_paczka emo_dostawca emo_kreskowy emo_nrdostawcy emo_uwagi emo_source
8347 MAG-ATL-W-ZT001-A0000-AT1A-2500 P A 1 0.00 0.00 25.000 0 0 0 0.00 0 1450431998 1743601058 0 N N N B N R N N N Y 10 0 N 0 0 0 0 6 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N 0 5 10 activity Y {"0":{"product_id":"[","amount":"[","modifier":"[","modifier_type":"A"},"588463151":{"product_id":"504","amount":"0","modifier":"0","modifier_type":"A"}} 0 N N 0 Price update 21/11/2022 0
8350 MAG-ATL-W-ZT003-A0000-AT1A-2500 P A 1 0.00 0.00 25.000 0 0 0 0.00 0 1450432533 1743601074 0 N N N B N R N N N Y 10 0 N 0 0 0 0 6 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N 0 5 10 activity Y {"0":{"product_id":"[","amount":"[","modifier":"[","modifier_type":"A"},"588463151":{"product_id":"504","amount":"0","modifier":"0","modifier_type":"A"}} 0 N N 0 Price update 21/11/2022 0