SELECT 
  category_id, 
  parent_id 
FROM 
  cscart_categories 
WHERE 
  parent_id IN(
    458, 459, 460, 3679, 461, 462, 2376, 463, 
    464, 465, 2377, 542, 3686
  )

Query time 0.00016

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_categories",
      "access_type": "range",
      "possible_keys": ["parent"],
      "key": "parent",
      "key_length": "3",
      "used_key_parts": ["parent_id"],
      "rows": 13,
      "filtered": 100,
      "index_condition": "cscart_categories.parent_id in (458,459,460,3679,461,462,2376,463,464,465,2377,542,3686)"
    }
  }
}