UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vDvLz3q2PQXzqfA46Zu5qJzpsGJd9/d01dQz0YX27xY=' 
WHERE 
  key_id = '1e1c884e8e600cc7cf1f4eefe4d9b82c68c13f120e98172f2a50234ecbd832f7' 
  AND (
    token = 'vDvLz3q2PQXzqfA46Zu5qJzpsGJd9/d01dQz0YX27xY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )