UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u17QkzA62/eWS3JEHltwyRx6yIffqnpHPYOjsv9wgPQ=' 
WHERE 
  key_id = 'b82ec8129171773f31d885f6caccbbeb9b690360172e63c743b14e0c2a55e84c' 
  AND (
    token = 'u17QkzA62/eWS3JEHltwyRx6yIffqnpHPYOjsv9wgPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )