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 (
    168, 167, 169, 42, 39, 40, 37, 74, 73, 71, 
    75, 72, 70, 156, 175, 43, 76, 56, 57, 30, 
    246, 173, 67, 25
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00069

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "81.41"
    },
    "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": 41,
      "rows_produced_per_join": 41,
      "filtered": "100.00",
      "index_condition": "((`danishecarter_25_march`.`cscart_seo_names`.`object_id` in (168,167,169,42,39,40,37,74,73,71,75,72,70,156,175,43,76,56,57,30,246,173,67,25)) and (`danishecarter_25_march`.`cscart_seo_names`.`type` = 'p') and (`danishecarter_25_march`.`cscart_seo_names`.`dispatch` = '') and (`danishecarter_25_march`.`cscart_seo_names`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "73.21",
        "eval_cost": "8.20",
        "prefix_cost": "81.41",
        "data_read_per_join": "69K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ]
    }
  }
}

Result

product_id seo_name seo_path
25 hw-d7000-av-receiver-with-built-in-blu-ray-disc-player 166/174/195
30 go-2535-tm-wte 166/175/176
37 dpx308u 166/175/185
39 deh-80prs 166/175/185
40 deh-p8400bh 166/175/185
42 deh-1300mp 166/175/185
43 fh-p8000bt 166/175/185
56 gm-6500f 166/175/187
57 gm-d8500m 166/175/187
67 htc-wildfire-s-white-t-mobile 166/234/236
70 evo-design-4g 166/234/236
71 droid-incredible-2 166/234/236
72 droid-razr 166/234/240
73 droid-bionic 166/234/240
74 droid-3 166/234/240
75 droid-pro 166/234/240
76 flipside-with-motoblur 166/234/240
156 extra-bass-headphones-70mm 166/177/181
167 d3100-18-55-vr-lens-kit 166/196/197
168 d300s-body-only 166/196/197
169 d5100-af-s-dx-nikkor-18-55mm-f-3-5-5-6g-vr-lens-kit 166/196/197
173 h300-long-zoom-compact-full-hd-camcorder-black 166/196/199
175 f50-flash-memory-52x-zoom-camcorder-silver 166/196/199
246 gopro-hero3-black-edition-camera 166/196/199