UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VxnL0jPeST9Ip3+VzO6eXMoUvBacnSXphPMg79jAze0=' 
WHERE 
  key_id = 'f715b62ad5969785bb2500a06338f634021408427b5360f8e0e6929a894917f0' 
  AND (
    token = 'VxnL0jPeST9Ip3+VzO6eXMoUvBacnSXphPMg79jAze0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )