UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z7xwUfwu1Ol7nsKBU0fpFbZoLxXf62RQLQGIt5CzAr0=' 
WHERE 
  key_id = '30e618b4bc3a56f8ba01dba5c4e514c4be49595de20f299db530c8d7775c3023' 
  AND (
    token = 'Z7xwUfwu1Ol7nsKBU0fpFbZoLxXf62RQLQGIt5CzAr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )