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 (
    2014, 2389, 2434, 1603, 2376, 2396, 779, 
    2466, 2232, 2354, 3119, 275
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00082

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_seo_names",
      "access_type": "range",
      "possible_keys": ["PRIMARY", "dispatch"],
      "key": "PRIMARY",
      "key_length": "206",
      "used_key_parts": ["object_id", "type", "dispatch", "lang_code"],
      "rows": 12,
      "filtered": 100,
      "index_condition": "cscart_seo_names.object_id in (2014,2389,2434,1603,2376,2396,779,2466,2232,2354,3119,275) and cscart_seo_names.`type` = 'p' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'en'"
    }
  }
}

Result

product_id seo_name seo_path
275 aegwynn-horde 43/44
779 sanguino-horde 43/44
1603 dalvengyr-horde-en 43/44
2014 alexstrasza-horde-en-2 43/44
2232 hyjal-horde-en-2 43/44
2354 rajaxx-horde-en-2 43/44
2376 shadowsong-horde-en-2 43/44
2389 skullcrusher-alliance-en-2 43/44
2396 sporeggar-horde-en-2 43/44
2434 theradras-horde-en-2 43/44
2466 varimathras-horde-en-2 43/44
3119 any-realm-alliance-en-2 43/44