UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'deV0a1QTZVtYBpArJCioF3kYFkGeARgKLmQ9a43eUXM=' 
WHERE 
  key_id = '37d0d979a620e381fe30ec69924486e620f040717b84aeba221ce781acb77c3b' 
  AND (
    token = 'deV0a1QTZVtYBpArJCioF3kYFkGeARgKLmQ9a43eUXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )