UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7WC0VRNCJ9vJzP4xiWl5vGqpDMnLz5kmknwo0qtYX4k=' 
WHERE 
  key_id = '06e3f10dc79d971376db2f3f7df99504a3b7213b8c5a0c5857f25feb625b3eb4' 
  AND (
    token = '7WC0VRNCJ9vJzP4xiWl5vGqpDMnLz5kmknwo0qtYX4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )