UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5C1LMpklr3XuroZ6lT544tPK/j08xGtIrmG4sMqdqVo=' 
WHERE 
  key_id = 'a28b8d35d810d75b0739221de019fb4d3d49d24fbb6375494a9effe31c0e113e' 
  AND (
    token = '5C1LMpklr3XuroZ6lT544tPK/j08xGtIrmG4sMqdqVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )