UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLz/MBg9n0GKHE3I9wUxI2WiKxkDAjd1LOF2dzvKSYU=' 
WHERE 
  key_id = '81ff93a6ec6f4f77b275d96ac1130b28d5dff15368d7feb30a6a18dc131b4e6a' 
  AND (
    token = 'WLz/MBg9n0GKHE3I9wUxI2WiKxkDAjd1LOF2dzvKSYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )