UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jc7f9vzNKXe42n7EI4OzcOxYTeow+nvVhDPF3x2RDlU=' 
WHERE 
  key_id = '3df5fddcfa3ebee7aeb7b0931017183770603c39a7dcf432e852fa2bea43a481' 
  AND (
    token = 'Jc7f9vzNKXe42n7EI4OzcOxYTeow+nvVhDPF3x2RDlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )