Sandbox

SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'fr' 
  AND lang.name IN (
    'disabled_thin_theme_settings_addon__title', 
    'disabled_thin_theme_settings_addon__message', 
    'disabled_thin_theme_settings_addon__title', 
    'disabled_thin_theme_settings_addon__message'
  )

Query time 0.00017

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "lang",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "392",
      "used_key_parts": ["lang_code", "name"],
      "rows": 2,
      "filtered": 100,
      "attached_condition": "lang.lang_code = 'fr' and lang.`name` in ('disabled_thin_theme_settings_addon__title','disabled_thin_theme_settings_addon__message','disabled_thin_theme_settings_addon__title','disabled_thin_theme_settings_addon__message')"
    }
  }
}

Result

name	value
disabled_thin_theme_settings_addon__message	For correct work of the theme:<br>1) Go to Admin Panel - > Add-ons - > Manage add-ons<br>2) Find the add-on "[TH] Thin Theme Settings"<br>3) On the right, select Active
disabled_thin_theme_settings_addon__title	Error: add-on "[TH] Thin Theme Settings" is Disabled