SELECT 
  cscart_seo_names.object_id AS product_id, 
  cscart_seo_names.name AS seo_name, 
  cscart_seo_names.path AS seo_path 
FROM 
  cscart_seo_names 
WHERE 
  cscart_seo_names.object_id IN (
    309561, 392255, 392253, 392252, 392254, 
    393018, 427476, 427477, 372040, 381634, 
    432460, 432542, 432589, 432449, 432523
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00093

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "21.02"
    },
    "table": {
      "table_name": "cscart_seo_names",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "dispatch"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "object_id",
        "type",
        "dispatch",
        "lang_code"
      ],
      "key_length": "206",
      "rows_examined_per_scan": 15,
      "rows_produced_per_join": 15,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "18.03",
        "eval_cost": "3.00",
        "prefix_cost": "21.03",
        "data_read_per_join": "25K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ],
      "attached_condition": "((`webmarco`.`cscart_seo_names`.`object_id` in (309561,392255,392253,392252,392254,393018,427476,427477,372040,381634,432460,432542,432589,432449,432523)) and (`webmarco`.`cscart_seo_names`.`type` = 'p') and (`webmarco`.`cscart_seo_names`.`dispatch` = '') and (`webmarco`.`cscart_seo_names`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id seo_name seo_path
309561 tallieur-bianco-con-pantalone-a-gamba-larga-e-spacco-finale 2653/9965/9994
372040 jeans-beige 2653/9965/9994
381634 magliocino-con-manica-a-sbuffo 2653/9965/9994
392252 pants 2653/9965/9994
392253 pants-en-3 2653/9965/9994
392254 pants-en 2653/9965/9994
392255 pants-en-2 2653/9965/9994
393018 completo-nero-top-e-pantalone-largo 2653/9965/9994
427476 completo-fucsia-3pezzi 2653/9965/9994
427477 set-coordinato-nero-top-e-pantalone-elegante 2653/9965/9994
432449 baby-blouse-igli.test 2653/9965/9994
432460 baby-shorts-test.igli 2653/9965/9994
432523 baby-t-shirt-test.igli 2653/9965/9994
432542 baby-girl-pants 2653/9965/9994
432589 baby-girl-pants-test1 2653/9965/9994