UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hujpURFz7w31mMpzFru7RJB5nwqQCAfFGBlFRuSYH9c=' 
WHERE 
  key_id = 'dd5a150bdedb316605ae61441b04137bb234b100cecf2cb7a9525851a0dcc6a1' 
  AND (
    token = 'hujpURFz7w31mMpzFru7RJB5nwqQCAfFGBlFRuSYH9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )