SELECT 
  * 
FROM 
  faqs 
WHERE 
  object_id = 32432 
  AND object_type = 'products' 
ORDER BY 
  `id` ASC

Query time 0.00026

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "0.35"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "faqs",
        "access_type": "index",
        "key": "PRIMARY",
        "used_key_parts": [
          "id"
        ],
        "key_length": "4",
        "rows_examined_per_scan": 1,
        "rows_produced_per_join": 1,
        "filtered": "100.00",
        "cost_info": {
          "read_cost": "0.25",
          "eval_cost": "0.10",
          "prefix_cost": "0.35",
          "data_read_per_join": "192"
        },
        "used_columns": [
          "id",
          "object_id",
          "object_type",
          "question",
          "answer",
          "created_at",
          "updated_at"
        ],
        "attached_condition": "((`dev2`.`faqs`.`object_id` = 32432) and (`dev2`.`faqs`.`object_type` = 'products'))"
      }
    }
  }
}