SELECT 
  show_popularity, 
  show_viewed, 
  show_added, 
  show_deleted, 
  show_bought, 
  show_total, 
  popularity_view, 
  show_popularity_header, 
  show_orders, 
  orders_view, 
  show_orders_header, 
  show_orders_items, 
  show_only_total_popularity, 
  show_only_total_orders, 
  global_total_plus 
FROM 
  cscart_products 
WHERE 
  global_popularity = 'Y'

Query time 0.00250

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "477.77"
    },
    "table": {
      "table_name": "cscart_products",
      "access_type": "ALL",
      "rows_examined_per_scan": 1729,
      "rows_produced_per_join": 172,
      "filtered": "10.00",
      "cost_info": {
        "read_cost": "443.19",
        "eval_cost": "34.58",
        "prefix_cost": "477.77",
        "data_read_per_join": "1M"
      },
      "used_columns": [
        "show_popularity",
        "show_viewed",
        "show_added",
        "show_deleted",
        "show_bought",
        "show_total",
        "popularity_view",
        "show_popularity_header",
        "show_orders",
        "orders_view",
        "show_orders_header",
        "show_orders_items",
        "show_only_total_popularity",
        "show_only_total_orders",
        "global_popularity",
        "global_total_plus"
      ],
      "attached_condition": "(`eshopuga_upgr_4122`.`cscart_products`.`global_popularity` = 'Y')"
    }
  }
}