SELECT 
  `dispatch`, 
  `value` 
FROM 
  cscart_ab__emd_settings 
WHERE 
  company_id = 1 
  AND lang_code = 'en'

Query time 0.00013

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ab__emd_settings",
      "access_type": "ALL",
      "rows": 1,
      "filtered": 100,
      "attached_condition": "cscart_ab__emd_settings.company_id = 1 and cscart_ab__emd_settings.lang_code = 'en'"
    }
  }
}