Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0134adc1b5a95e1f17345b263173a9aadaede54926a9bdbf7a38fb9a167ba297' 
  AND token = 'Va0jj2wbGs4cVfydBAEqWO1x7XGBporWLE3CIYIk9qo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}