UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QQOxNKjiRO0rK1xzyr3wO/iZLmxXyoXoXDMwkKLacKM=' 
WHERE 
  key_id = '6dc8c137e5b8361f3a493f66d4271fee511afee2cf63d364510cf122857801ca' 
  AND (
    token = 'QQOxNKjiRO0rK1xzyr3wO/iZLmxXyoXoXDMwkKLacKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )