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 (121, 122, 123, 124, 127) 
  AND cscart_seo_names.type = "p" 
  AND cscart_seo_names.dispatch = "" 
  AND cscart_seo_names.lang_code = 'de'

Query time 0.00029

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.015607673,
    "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": 9,
          "cost": 0.015607673,
          "filtered": 100,
          "index_condition": "cscart_seo_names.object_id in (121,122,123,124,127) and cscart_seo_names.`type` = 'p' and cscart_seo_names.dispatch = '' and cscart_seo_names.lang_code = 'de'"
        }
      }
    ]
  }
}

Result

product_id seo_name seo_path
121 lg-29-7-cu-ft-4-door-french-instaview-door-in-door-smart-wi-fi-enabled-refrigerator-stainless-steel 43210
122 lg-23-5-cu-ft-french-instaview-door-in-door-counter-depth-smart-wi-fi-enabled-refrigerator-stainless-steel 43210
123 lg-instaview-door-in-door-27-8-cu-ft-4-door-french-door-refrigerator-printproof-stainless-steel 43210
124 lg-door-in-door-29-9-cu-ft-4-door-french-door-refrigerator-with-thru-the-door-ice-and-water-stainless-steel 43210
127 lg-23-5-cu-ft-french-instaview-door-in-door-counter-depth-smart-wi-fi-enabled-refrigerator-printproof-black-stainless-steel 43210