UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yd+tWEqIihCDfQbfzmpDufTivcgjHY8Coq21e+cLFZ0=' 
WHERE 
  key_id = 'd842be73a55df768f56394a2a6201981a17880eda474b662243eccfae94794a9' 
  AND (
    token = 'yd+tWEqIihCDfQbfzmpDufTivcgjHY8Coq21e+cLFZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )