SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (550, 840, 197, 68, 1180, 1205)

Query time 0.00077

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 6,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (550,840,197,68,1180,1205)"
    }
  }
}

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 facebook_obj_type parent_product_id buy_now_url units_in_product show_price_per_x_units split_for_sale main_unit material_group stock_norm min_stock_level max_stock_level reorder_level safety_stock
68 8445290045713 P A 1 0.00 0.000 0 0 0 0.00 0 1662271224 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000
197 4907618245006 P A 1 0.00 0.000 0 0 0 0.00 0 1661577133 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000
550 4987244194152 P A 1 0.00 0.000 0 0 0 0.00 0 1661577133 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000
840 4987244183903 P A 1 0.00 0.000 0 0 0 0.00 0 1661577133 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000
1180 4903015500052 P A 1 0.00 0.000 0 0 0 0.00 0 1661663836 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000
1205 4903015500014 P A 1 0.00 0.000 0 0 0 0.00 0 1661658038 1734422409 0 N N N N N N N Y 10 0 N N 0 0 0.000 1.000 N G 0.000 0.000 0.000 0.000 0.000