Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '04095d16e07fedc1b49f9da25fd303185db70450458b5162a857e86cc53ac88e' 
  AND token = 'SxNXllnFrHiYOIXr8nWTjfURjsqfmSyOdi4ydFcAQTg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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