UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C5N+8fPqcf/eL8jeLLDRefoQjP0O+yQMRy0nNa85Udo=' 
WHERE 
  key_id = '29f6b0c74835e21f1cd06d315824ba07bee387ad8c269daae0bcb795dcd4570c' 
  AND (
    token = 'C5N+8fPqcf/eL8jeLLDRefoQjP0O+yQMRy0nNa85Udo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )