SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f6e646eb8dff425fe72922ac00a640f2525502e71d13e7b94ffdf15fcfff9d3d' 
  AND token = 'KN6ZORIGc+XHQq/GtjTWJBMzUs7YYSF2FpX+9FnIrOw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())