UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7x1QVRSttkcji5x7q0c7y1qcDSGvYvNFeTi79B26/Q0=' 
WHERE 
  key_id = '81a0345436f807fe044dbc1df9145faa46b37b5b7cd793cb18aa912e4b081e41' 
  AND (
    token = '7x1QVRSttkcji5x7q0c7y1qcDSGvYvNFeTi79B26/Q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )