UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6fQxiRqcfEdqHszO+aA85DMFIeTVErqJ98NYkbU/RfQ=' 
WHERE 
  key_id = 'cdf55edc17cbf383bd07204a22823620c1a3fb72d54d77e98a912ed05cea0c2e' 
  AND (
    token = '6fQxiRqcfEdqHszO+aA85DMFIeTVErqJ98NYkbU/RfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )