UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/uNsMPB210wy0vBpnBGwtqnw/1xwQ5OHtpn3F3Id9Q=' 
WHERE 
  key_id = '27bf555a8ab25f68cc0c224a89d324e7f691d217c31ddcf73c4e54d29c590180' 
  AND (
    token = 'U/uNsMPB210wy0vBpnBGwtqnw/1xwQ5OHtpn3F3Id9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )