UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjUF5F9osjQBR8eS8CWwXQsO/HGIeGB234dSAA46Xr0=' 
WHERE 
  key_id = '0350e6a6b363de42439e5e535683fd856f92248be987649d3694c24358e025dc' 
  AND (
    token = 'DjUF5F9osjQBR8eS8CWwXQsO/HGIeGB234dSAA46Xr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )