UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKtFo5zEbK/AzOyNLJne4i8y0VRPRs/YFd4YQ3TYw1M=' 
WHERE 
  key_id = '8f98792dcb280dc76d25d99000e50d0fc351cf25edd6fb634d10af1928385837' 
  AND (
    token = 'MKtFo5zEbK/AzOyNLJne4i8y0VRPRs/YFd4YQ3TYw1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )