SELECT 
  status_id, 
  status 
FROM 
  netting_statuses 
WHERE 
  type = 'O'

Query time 0.00035

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "netting_statuses",
          "access_type": "ALL",
          "rows": 22,
          "filtered": 100,
          "attached_condition": "netting_statuses.`type` = 'O'"
        }
      }
    ]
  }
}