UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '71FWIWcP2XGj4MQelGr0iQfPkeuU8SGbnGOkFAfWclQ=' 
WHERE 
  key_id = 'a7d4df6dced92011077eb1d72e99ac35194f8a9c4e0fb17687a2a1bd415c9607' 
  AND (
    token = '71FWIWcP2XGj4MQelGr0iQfPkeuU8SGbnGOkFAfWclQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )