UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fKQZfsun50WueUwGHLCbc2gi1WEP8Ie/DZiCBEy3SgQ=' 
WHERE 
  key_id = 'dee8768e35a95dc563509ff333f2decc292222c1440bac9b24f6780e4fb23235' 
  AND (
    token = 'fKQZfsun50WueUwGHLCbc2gi1WEP8Ie/DZiCBEy3SgQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )