UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ziMMz1CBXgH+GJfWpGtqpvQlg0Ne8blngIvASlsitTA=' 
WHERE 
  key_id = '57d97a5c02cabaf4f588adf4b7c5b0be8e72c2964be0e8d6b7d6f003d156cf02' 
  AND (
    token = 'ziMMz1CBXgH+GJfWpGtqpvQlg0Ne8blngIvASlsitTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )