UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxhOo5M/QRnOxysVJVXPWZRt/4sUgom4oCOXbdMyYxk=' 
WHERE 
  key_id = '3b84442c23e4934fd9aff328fc3316f85b3952094465b34a7971f5ae84ab6339' 
  AND (
    token = 'vxhOo5M/QRnOxysVJVXPWZRt/4sUgom4oCOXbdMyYxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )