SELECT 
  object_id, 
  name 
FROM 
  cscart_seo_names 
WHERE 
  name IN ('jewelry', 'necklaces') 
  AND type = 'c' 
  AND lang_code = 'en'

Query time 0.00074

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.31"
    },
    "table": {
      "table_name": "cscart_seo_names",
      "access_type": "range",
      "possible_keys": [
        "name",
        "type"
      ],
      "key": "name",
      "used_key_parts": [
        "name",
        "lang_code"
      ],
      "key_length": "758",
      "rows_examined_per_scan": 4,
      "rows_produced_per_join": 0,
      "filtered": "10.00",
      "index_condition": "((`cscartdb`.`cscart_seo_names`.`name` in ('jewelry','necklaces')) and (`cscartdb`.`cscart_seo_names`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "2.27",
        "eval_cost": "0.04",
        "prefix_cost": "2.31",
        "data_read_per_join": "694"
      },
      "used_columns": [
        "name",
        "object_id",
        "type",
        "lang_code"
      ],
      "attached_condition": "(`cscartdb`.`cscart_seo_names`.`type` = 'c')"
    }
  }
}