UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6WA0DJm98KYdC3kX61wX7VDu6wx9ovgDzwDRSabNTME=' 
WHERE 
  key_id = '4b4cf88fb3078f8b7089c3c81b72f82a64423dad79ba638df933361759621747' 
  AND (
    token = '6WA0DJm98KYdC3kX61wX7VDu6wx9ovgDzwDRSabNTME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )