UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AVC2fMqXil+7LRCCy1C0mUckRTzow5cgjdCJnetfSZg=' 
WHERE 
  key_id = 'e808fd4587117c7d4f89751bf9817064fdb5ab60a64238ed6f530a32f719adb4' 
  AND (
    token = 'AVC2fMqXil+7LRCCy1C0mUckRTzow5cgjdCJnetfSZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )