Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '59330e525fdbf40669b325f03439eb6342295071d45d66e1c164f98cca2e415d' 
  AND token = 'KdKxOeUDy6wD++oiNkFrrr0nsmCizQgTsnoS2onxx+4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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