UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jWrxOWsmqd608CeSoe+AByd+ROnj+rMTvgB7xzWIX8o=' 
WHERE 
  key_id = '6cf8ea53ff1dd7d8b7e12f852e3fba4b2abdf32dc7f14ea1201d2b92bcf42251' 
  AND (
    token = 'jWrxOWsmqd608CeSoe+AByd+ROnj+rMTvgB7xzWIX8o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )