UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CDflsDGGtiBGheXi0fWsqrOhUy6FakgLApWXB8PvJac=' 
WHERE 
  key_id = 'd02adf2acc21cd14d5107a6469b7ce1a4fc88fed594c388aaa20903ea3ab81ca' 
  AND (
    token = 'CDflsDGGtiBGheXi0fWsqrOhUy6FakgLApWXB8PvJac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )