UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6i/pRcXaYxXPmssCzqt4984XKD+7T7i8go3odYbW40=' 
WHERE 
  key_id = 'c6982b303566156090925a0eb2bc3746da494ffb9976abdb44e5ecb8aaf8976b' 
  AND (
    token = 'D6i/pRcXaYxXPmssCzqt4984XKD+7T7i8go3odYbW40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )