UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QlzjhatcnewuYIExb6ozJYuc0YD+Cyr9q6wdN5Nemcw=' 
WHERE 
  key_id = '5b176fb31cc4518c1d619e76d6e820158f17a565d2b8d22593146ba25d075cb4' 
  AND (
    token = 'QlzjhatcnewuYIExb6ozJYuc0YD+Cyr9q6wdN5Nemcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )