SELECT 
  product_id 
FROM 
  cscart_product_popularity 
WHERE 
  product_id IN (
    32569, 32570, 32571, 32572, 32573, 32574, 
    32575, 32576, 32577, 32578, 32579, 
    32580, 32581, 32582, 32583, 32584, 
    32585
  )

Query time 0.00110

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": 17,
          "filtered": 100,
          "attached_condition": "cscart_product_popularity.product_id in (32569,32570,32571,32572,32573,32574,32575,32576,32577,32578,32579,32580,32581,32582,32583,32584,32585)",
          "using_index": true
        }
      }
    ]
  }
}