UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZLsU3U+C+UUWlDPZQEa3xiZ0jlfkrBCxEZylllnyWNc=' 
WHERE 
  key_id = '9b574005e0b7e590196de60d35206ad8ac167ea6b8b8c78f0178103aaad246c7' 
  AND (
    token = 'ZLsU3U+C+UUWlDPZQEa3xiZ0jlfkrBCxEZylllnyWNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )