UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdafJw+LsWHY90T7ww4UOIXmdSpeJviiku5d+gu1ttE=' 
WHERE 
  key_id = '5a4ec7eb30a0a02ed665c96a3a411906ee9bda1746db666ce2de656e1a278ce6' 
  AND (
    token = 'MdafJw+LsWHY90T7ww4UOIXmdSpeJviiku5d+gu1ttE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )