UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zU1P6Kr7ih824jSoW7xm0J7auGF7O5eT+o8kd1QrGZw=' 
WHERE 
  key_id = '7db03a0ea1644d084871f2b67d19134b3e5af944107e245918b793ad4f23c32d' 
  AND (
    token = 'zU1P6Kr7ih824jSoW7xm0J7auGF7O5eT+o8kd1QrGZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )