UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDhhjJfoq6HoFUtZfzjIUwzAVr6SSdkr+WO0VLi7Edo=' 
WHERE 
  key_id = '48913e36bc1f82a7cb8ad29501ba71c21c957162166825a541d53d94608998d8' 
  AND (
    token = 'mDhhjJfoq6HoFUtZfzjIUwzAVr6SSdkr+WO0VLi7Edo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )