UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cZnJQhEtz2oG23E1FKOoM3B2hPMtuMj3ohFttqL5vDs=' 
WHERE 
  key_id = 'd9dff3cf259f5d5a036928c5953e86d8722d2e255ffdaaf6956e9e198ec84048' 
  AND (
    token = 'cZnJQhEtz2oG23E1FKOoM3B2hPMtuMj3ohFttqL5vDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )