Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9d3a5db1c76a8230146c85104a43f62c2a59b14f067c967d5c61f2e929a379d5' 
  AND token = 'rJl9qhcw6wbThUx7uX9Ox9U7yFCoPya8ZrndPA91jwE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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