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 (
    21, 50, 51, 49, 48, 54, 153, 164, 248, 65, 
    64, 63
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00045

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "30.21"
    },
    "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": 13,
      "rows_produced_per_join": 13,
      "filtered": "100.00",
      "index_condition": "((`danishecarter_latest`.`cscart_seo_names`.`object_id` in (21,50,51,49,48,54,153,164,248,65,64,63)) and (`danishecarter_latest`.`cscart_seo_names`.`type` = 'p') and (`danishecarter_latest`.`cscart_seo_names`.`dispatch` = '') and (`danishecarter_latest`.`cscart_seo_names`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "27.61",
        "eval_cost": "2.60",
        "prefix_cost": "30.21",
        "data_read_per_join": "22K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ]
    }
  }
}

Result

product_id seo_name seo_path
21 toshiba-sd3300-dvd-player 166/174/194
48 ts-mr2040 166/175/186
49 ts-mr1640 166/175/186
50 ts-d1720c 166/175/186
51 ts-d6902r 166/175/186
54 ts-w3002d2d4 166/175/202
63 xrs-9770 166/175/189
64 xrs-9745 166/175/189
65 xrs-9370 166/175/189
153 ur55-full-size-headphones 166/177/181
164 wb210-10mb-14-megapixel-slim-digital-camera-red 166/196/198
248 x-box-one 245/248