Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'b724703bf8ddd7a211d19c97ac8a344773a6a3196089bd820103ea003aa47516' 
  AND token = 'gfaXKeRpdBPDWBX6nxaQnoQJL6Dm2f371Wg9LHyQoUE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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