UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91o37gpouiugZpWTTju9+0xxGw0PJB5znuVK4GCG/5c=' 
WHERE 
  key_id = '18ef7cd6c02f03356d83e8e3f85a41e874bd2086e1108926b0efee5aed8bc847' 
  AND (
    token = '91o37gpouiugZpWTTju9+0xxGw0PJB5znuVK4GCG/5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )