Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a06600219ce1851bd928374aba27badd9dafb6905caf9b2b2387f5c0f77df07c' 
  AND token = 'NVOI4iLkx5d8CDVQ6rEXnIZ2JEWrcGuNIrRmY3QOL8M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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