UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LpyWirt3tjoDmApdrWHrwTNgpyHVrXJrtKZl4+OvM8w=' 
WHERE 
  key_id = 'a41a4f301c22666e4b6f8d4ee88c01a691560bef0f61938a9ceaa5bf91fd1b90' 
  AND (
    token = 'LpyWirt3tjoDmApdrWHrwTNgpyHVrXJrtKZl4+OvM8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )