UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tAC/NaGE33qJEwY/7E/fLQnvR6sYonGIQKQkK0xmP30=' 
WHERE 
  key_id = '68136103d0c5b8cd37cbb904ef3c281f45a08226340158dc7f2f3dfde05c2864' 
  AND (
    token = 'tAC/NaGE33qJEwY/7E/fLQnvR6sYonGIQKQkK0xmP30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )