SELECT 
  product_id 
FROM 
  cscart_product_popularity 
WHERE 
  product_id IN (
    46795, 46794, 46793, 46792, 46791, 46790, 
    46789, 46788, 46787, 46786, 46785, 
    46784, 46783, 46782, 46781
  )

Query time 0.00097

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_popularity",
          "access_type": "range",
          "possible_keys": ["PRIMARY", "total"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 15,
          "filtered": 100,
          "attached_condition": "cscart_product_popularity.product_id in (46795,46794,46793,46792,46791,46790,46789,46788,46787,46786,46785,46784,46783,46782,46781)",
          "using_index": true
        }
      }
    ]
  }
}