SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    61697, 60899, 61698, 61490, 61699, 62020, 
    62038, 64772, 61399, 62039, 64773, 
    62056, 62436, 64774, 64756, 62062, 
    64792, 64788, 64905, 64784, 64899, 
    65559, 65090, 64870
  )

Query time 0.00073

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": 24,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (61697,60899,61698,61490,61699,62020,62038,64772,61399,62039,64773,62056,62436,64774,64756,62062,64792,64788,64905,64784,64899,65559,65090,64870)"
    }
  }
}

Result