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 (
    2527, 11680, 2515, 2516, 2517, 2518, 
    15082, 2457, 2458, 2459, 2460, 2461, 
    2523, 2519, 2521, 2522
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00055

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": 16,
      "filtered": 100,
      "index_condition": "cscart_seo_names.object_id in (2527,11680,2515,2516,2517,2518,15082,2457,2458,2459,2460,2461,2523,2519,2521,2522) 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
2457 st-louis-lager-330ml-can 265/355
2458 st-louis-lager-can-500ml 265/355
2459 st-louis-lager-rb-750ml 265/355
2460 st-louis-nrb-340ml 265/355
2461 stella-artois-nrb-330ml 265/355
2515 sprite-1l-case 265/383
2516 sprite-2l-case 265/383
2517 sprite-330ml-case 265/383
2518 sprite-440ml-case 265/383
2519 stoney-ginger-beer-1l-case 265/383
2521 stoney-ginger-beer-2l-case 265/383
2522 stoney-ginger-beer-330ml-case 265/383
2523 stoney-ginger-beer-500ml-case 265/383
2527 source-water-500ml-case 265/383
11680 stoney-ginger-beer-without-sugar-2l 265
15082 st-louis-lager-330ml-6-pack 265