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 (280, 281, 282, 283, 284, 278, 279) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00056

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "23.81"
    },
    "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": 12,
      "rows_produced_per_join": 12,
      "filtered": "100.00",
      "index_condition": "((`danishecarter_latest`.`cscart_seo_names`.`object_id` in (280,281,282,283,284,278,279)) 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": "21.41",
        "eval_cost": "2.40",
        "prefix_cost": "23.81",
        "data_read_per_join": "20K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ]
    }
  }
}

Result

product_id seo_name seo_path
278 t-shirt-color-white 223/224
279 t-shirt-color-white-en 223/224
280 t-shirt-color-black 223/224
281 t-shirt-color-black-en 223/224
282 t-shirt-color-blue 223/224
283 t-shirt-color-blue-en 223/224
284 t-shirt-color-blue-en-2 223/224