UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yjxyxFyExFvLxcHJxL1gWvD8dBsoyY8ekoGyJPxHWg=' 
WHERE 
  key_id = '6e5a8898f2025d1b3fda758d6aeb0313aaafe41eefffcf315ace128b2fb8f383' 
  AND (
    token = '6yjxyxFyExFvLxcHJxL1gWvD8dBsoyY8ekoGyJPxHWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )