UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NUnZC16790xGcC03fouS88yU0vppWqqwoNoKbNNiGiY=' 
WHERE 
  key_id = '7ad9e7bcea3554a3a541d4b9314886e19a0580e54f821110f755d4310a18297e' 
  AND (
    token = 'NUnZC16790xGcC03fouS88yU0vppWqqwoNoKbNNiGiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )