UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7AWQCu/qwNBy88lLl7KkdfyRiu/GvVNJzoE6g6c8T8Y=' 
WHERE 
  key_id = 'e51ccfa3c891b5efb83d837a5a143501849158b64d99ced4333dc99724712128' 
  AND (
    token = '7AWQCu/qwNBy88lLl7KkdfyRiu/GvVNJzoE6g6c8T8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )