UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r0oscnlHYRMqDFtpwgy1CH7en8p/wOcCfM0ExBvSgLc=' 
WHERE 
  key_id = '81d360052cb25c965e6cb907aff001815f1e466824efacdc0563b7ce97d8e819' 
  AND (
    token = 'r0oscnlHYRMqDFtpwgy1CH7en8p/wOcCfM0ExBvSgLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )