UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmhU9SvpS/Aen3kk8gbQ17P9rH9RE0SbY1D+OK2hxRo=' 
WHERE 
  key_id = '2ff74a57d109c200d1102967ede0380f0b3f48b9bb47bb7dc94d4915b6aaa245' 
  AND (
    token = 'pmhU9SvpS/Aen3kk8gbQ17P9rH9RE0SbY1D+OK2hxRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )