SELECT 
  a.* 
FROM 
  cscart_destination_elements as a 
  LEFT JOIN cscart_destinations as b ON b.destination_id = a.destination_id 
WHERE 
  b.status = 'A'

Query time 0.00084

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "19.62"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "b",
          "access_type": "index",
          "possible_keys": [
            "PRIMARY",
            "c_status"
          ],
          "key": "c_status",
          "used_key_parts": [
            "destination_id",
            "status"
          ],
          "key_length": "6",
          "rows_examined_per_scan": 36,
          "rows_produced_per_join": 3,
          "filtered": "10.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "3.78",
            "eval_cost": "0.36",
            "prefix_cost": "4.14",
            "data_read_per_join": "2K"
          },
          "used_columns": [
            "destination_id",
            "status"
          ],
          "attached_condition": "((`zdrowy_db`.`b`.`status` = 'A') and (`zdrowy_db`.`b`.`destination_id` is not null))"
        }
      },
      {
        "table": {
          "table_name": "a",
          "access_type": "ref",
          "possible_keys": [
            "c_status"
          ],
          "key": "c_status",
          "used_key_parts": [
            "destination_id"
          ],
          "key_length": "3",
          "ref": [
            "zdrowy_db.b.destination_id"
          ],
          "rows_examined_per_scan": 12,
          "rows_produced_per_join": 45,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "10.93",
            "eval_cost": "4.55",
            "prefix_cost": "19.62",
            "data_read_per_join": "34K"
          },
          "used_columns": [
            "element_id",
            "destination_id",
            "element",
            "element_type"
          ]
        }
      }
    ]
  }
}