UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'taXgaARBbYEqDv+xIsuD78E6CexNs+XiPxDeD7+PwsY=' 
WHERE 
  key_id = '268535a3b7acc1b3f082f4c4d6c34ecd5cd720be6a250051c044f1f435b63eb2' 
  AND (
    token = 'taXgaARBbYEqDv+xIsuD78E6CexNs+XiPxDeD7+PwsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )