UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nktJK5DTFnrtXAZbCUH2QPZS+K9Wgritb2GfDI+BMXE=' 
WHERE 
  key_id = '439996e71670ceb475bef8aa7904e64d17123bdf6a418af373387e2eff363728' 
  AND (
    token = 'nktJK5DTFnrtXAZbCUH2QPZS+K9Wgritb2GfDI+BMXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )