Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'dacdb667f1e8029a10446531c94861ed4c4805ff5431411a16186fd61e2c3226' 
  AND token = '90nm4HULlwYk6WbbmZqonf4uO+ZwH6LpdWvWhouVdZY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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