UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mLviCHOrP0msiGIMjoCPfiHzTx1ISRmdsFb1em4mpgA=' 
WHERE 
  key_id = '853beeaa4d2602fe6d8b8ab90a1d1fbb62ac58f5ed8644d13764b9792b6968b4' 
  AND (
    token = 'mLviCHOrP0msiGIMjoCPfiHzTx1ISRmdsFb1em4mpgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )