SELECT 
  * 
FROM 
  cscart_image_gallery_settings 
WHERE 
  id = 101 
  AND type = 'C'

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_image_gallery_settings",
      "access_type": "const",
      "possible_keys": ["id"],
      "key": "id",
      "key_length": "7",
      "used_key_parts": ["id", "type"],
      "ref": ["const", "const"],
      "rows": 1,
      "filtered": 100
    }
  }
}