SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    177, 179, 180, 181, 183, 184, 185, 186, 
    187, 188, 189, 190, 191, 7, 11, 12
  )

Query time 0.00091

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 16,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (177,179,180,181,183,184,185,186,187,188,189,190,191,7,11,12)"
        }
      }
    ]
  }
}