UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'piRdIqrRVsd9gX2f7t9b6CTCIyJfS0X0iMWM8USgklw=' 
WHERE 
  key_id = '3750dec7e23a0841549ed70a7c239fa96200e0ff319615851a8363dfc81a5cba' 
  AND (
    token = 'piRdIqrRVsd9gX2f7t9b6CTCIyJfS0X0iMWM8USgklw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )