UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z64tYARSFltWrMTkRWRPRcuLl+DIHErJu4uswtD8oyo=' 
WHERE 
  key_id = '8ab7ac4bff8d4ec9fb6ab786140fb7642736032b66b8e659cc164b32f72300b2' 
  AND (
    token = 'Z64tYARSFltWrMTkRWRPRcuLl+DIHErJu4uswtD8oyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )