UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ep79lIQZuoL3kB1paTFCCD8V9ytpltjkOb9JnrRRaT8=' 
WHERE 
  key_id = 'c616146d8145e673a9a8175b8a65acd47714c01a46431784f47447cea2c322ea' 
  AND (
    token = 'Ep79lIQZuoL3kB1paTFCCD8V9ytpltjkOb9JnrRRaT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )