SELECT 
  * 
FROM 
  cscart_float_social_items 
WHERE 
  1 
  AND status = 'A' 
ORDER BY 
  position ASC, 
  item_id ASC

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "read_sorted_file": {
          "filesort": {
            "sort_key": "cscart_float_social_items.position, cscart_float_social_items.item_id",
            "table": {
              "table_name": "cscart_float_social_items",
              "access_type": "ALL",
              "possible_keys": ["status"],
              "rows": 8,
              "filtered": 50,
              "attached_condition": "cscart_float_social_items.`status` = 'A'"
            }
          }
        }
      }
    ]
  }
}