UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nh8gomcCfwH3X/twJYod7chI5X1I+2I+nZCvDvp6kO0=' 
WHERE 
  key_id = '9a27bcf961ec13a61042703bcadf584308e6da9216b8cfce67a6986414634539' 
  AND (
    token = 'Nh8gomcCfwH3X/twJYod7chI5X1I+2I+nZCvDvp6kO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )