UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UalUu5IYt4SlcpnPH7bhJlkEIScbpQx/L/wUYKwU524=' 
WHERE 
  key_id = '30df28769133be2de91c339006ff2eec5d2ad7fed6ead6b07a471cd43b906af9' 
  AND (
    token = 'UalUu5IYt4SlcpnPH7bhJlkEIScbpQx/L/wUYKwU524=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )