UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+BVemhZJon2KWi5lI8EZltplPbOUhYVZnmWdtIGSZCY=' 
WHERE 
  key_id = '939cedfbb7d5100d35498a071f028f8b2a90bba3e4214f71c5ce09535bec053d' 
  AND (
    token = '+BVemhZJon2KWi5lI8EZltplPbOUhYVZnmWdtIGSZCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )