UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2rxXrJEPu2lmYMrdwBJmyCa4W6rwCzwVDwtIpAKrD0g=' 
WHERE 
  key_id = '5db4916280a442672c9e16e25af7de969964130f1a19dd069bbdcfdeacfccff5' 
  AND (
    token = '2rxXrJEPu2lmYMrdwBJmyCa4W6rwCzwVDwtIpAKrD0g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )