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 (
    12258, 12259, 12260, 12261, 12262, 12263, 
    11944, 11943
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00035

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.01638384,
    "nested_loop": [
      {
        "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"],
          "loops": 1,
          "rows": 8,
          "cost": 0.01638384,
          "filtered": 100,
          "attached_condition": "cscart_seo_names.object_id in (12258,12259,12260,12261,12262,12263,11944,11943) 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
11943 xyzzy 315
11944 wall-tree-cross 315
12258 floating-frame-maltese-tile-001 315
12259 floating-frame-maltese-tile-002 315
12260 floating-frame-maltese-tiles-003 315
12261 floating-frame-wooden-tile-004 315
12262 personalized-door-numbers-custom-house-number-signs 315
12263 personalized-tile-coaster-engrave 315