UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nYupokXiOPJdIk2N6VNnQdgsdvYNJC4Xas1YzFc64Ko=' 
WHERE 
  key_id = '4c42def07af0956cb4dc07251257ff99f2c58738d84e1221dbe672de480f6950' 
  AND (
    token = 'nYupokXiOPJdIk2N6VNnQdgsdvYNJC4Xas1YzFc64Ko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )