Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '4de2958d15032398c14d574d074860202d6211011b77d2fb7193f9f49123094b' 
  AND token = 'Jce0g1yVx4Wzqudib6BDeHR9NMrr+bZQ9I+RqGRx7Gc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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