Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3500961cd5d1f606ed40e4c3584b181594125c80288837de45afcc13735f5432' 
  AND token = 'wN0K/h/fzfA12dkkcFF1APFhGEC9yVGNs3qXXgOea04=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}