UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e0iGjV6FcJBGSV5NRki1PnAvULqpaa5SurUTmawjawU=' 
WHERE 
  key_id = '68f4d44838c2448e9326a570743552add436719e8c712178bce43dcbf6d29c8d' 
  AND (
    token = 'e0iGjV6FcJBGSV5NRki1PnAvULqpaa5SurUTmawjawU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )