UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IudDzdAop6w5nFEId/ZJiN7VJZp6akmNqLArSFo8BX0=' 
WHERE 
  key_id = '6283dc0bb8c82c0558db4258d9c62383d4f1d423d544fd498eab40a93d0f49bf' 
  AND (
    token = 'IudDzdAop6w5nFEId/ZJiN7VJZp6akmNqLArSFo8BX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )