UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yNaslp5u6pxzKRZ/jvoOuDMUMjm/mfjRnlcmPP/LYzw=' 
WHERE 
  key_id = 'ad683871b9466336ec97df2ad1893349bb25ea7da7144715608d72402d6bcaee' 
  AND (
    token = 'yNaslp5u6pxzKRZ/jvoOuDMUMjm/mfjRnlcmPP/LYzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )