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 (
    278, 280, 282, 247, 248, 241, 244, 245, 
    246, 240, 6, 66, 166, 214, 219, 221, 223, 
    192, 194, 195, 196, 197, 198, 199, 200, 
    201, 202, 203, 204, 205, 206, 207, 208, 
    209, 210, 211, 212, 213, 215, 217, 218, 
    220, 222, 224, 225, 226, 227, 228
  ) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'en'

Query time 0.00117

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "129.21"
    },
    "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": 58,
      "rows_produced_per_join": 58,
      "filtered": "100.00",
      "index_condition": "((`danishecarter_31jan`.`cscart_seo_names`.`object_id` in (278,280,282,247,248,241,244,245,246,240,6,66,166,214,219,221,223,192,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,215,217,218,220,222,224,225,226,227,228)) and (`danishecarter_31jan`.`cscart_seo_names`.`type` = 'p') and (`danishecarter_31jan`.`cscart_seo_names`.`dispatch` = '') and (`danishecarter_31jan`.`cscart_seo_names`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "117.61",
        "eval_cost": "11.60",
        "prefix_cost": "129.21",
        "data_read_per_join": "98K"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "dispatch",
        "path",
        "lang_code"
      ]
    }
  }
}

Result

product_id seo_name seo_path
6 toshiba-32c120u-32-class-720p-hd-lcd-tv 166/174/191
66 xrs-9970g 166/175/189
166 nikon-1-j1-two-lens-wide-angle-kit-red 166/196/198
192 black-and-white-america-cd-pack 228/232
194 u218-singles-u2tcd020 228/232
195 crossroads-guitar-festival-2010-2dvd 228/232
196 feeding-the-monkies-at-ma-maison-zappa 228/232
197 guitar-man-album-artwork 228/229
198 b-b-king-one-kind-favor-cd-grammy-award-winning-cd-manufacturer-geffen-records-sku-bbk-11onekindfavorcd-reviewed-2-times 228/229
199 b-b-king-original-greatest-hits-cd 228/229
200 john-rutter-the-colours-of-christmas 228/230
201 beethoven-piano-concertos-nos-1-and-2 228/230
202 new-years-concert-2011-diverse-klassik-welser-moest-wiener-philharmoniker 228/230
203 new-years-concert-2012-diverse-wr-philharmoniker-jansons-m-wr-san 228/230
204 the-police-the-stewart-copeland-anthology 228/232
205 dir-657-hd-media-router-1000 167/171
206 rt-n66u-dual-band-wireless-n900-gigabit-router 167/171
207 asus-usb-n53 167/171
208 h-264-megapixel-surveillance-camera-tl-sc3430 167/171
209 hp-scanjet-g3110-scanner 167/172
210 hp-photosmart-plus-e-all-in-one-printer-b210a 167/172
211 hp-officejet-pro-8600-premium-e-all-in-one-printer 167/172
212 panasonic-kx-mb2000-24ppm-3-in-1-monochrome-laser-mfp 167/172
213 intel-boxed-intel-core-i7-2600 167/201
214 asus-cp6130 167/168
215 intel-core-i7-processor-extreme-edition-980x-i7-980x 167/201
217 asus-cp6230 167/168
218 asus-essentio-cp1130 167/168
219 series-3-15-6-laptop 167/169
220 series-7-chronos-14-notebook 167/169
221 series-9-13-3-laptop 167/169
222 series-3-15-6-laptop-en 167/169
223 samsung-galaxy-tab-8-9-wi-fi-only-32gb-metallic-gray 167/165
224 samsung-galaxy-tab-8-9-at-and-t 167/165
225 samsung-galaxy-tab-7-0-verizon 167/165
226 intel-core-i7-processor-i7-950 167/201
227 acer-3d-series-hn274h-bmiiid 167/170
228 lg-d2342p-pn 167/170
240 apple-ipad-with-retina-display-wi-fi-64gb-black 167/165
241 apple-ipad-with-retina-display-wi-fi-32gb-white 167/165
244 packard-bell-onetwo 167/168
245 apple-iphone-5c-32gb-cell-phone-green 166/234/235
246 gopro-hero3-black-edition-camera 166/196/199
247 nokia-n1-pad-7-9-quad-core-64bit-2-3ghz-2gb-32gb-android-5-0 167/165
248 x-box-one 245/248
278 t-shirt-color-white 223/224
280 t-shirt-color-black 223/224
282 t-shirt-color-blue 223/224