UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LbwNbAiue54g7xVfYvkfNB+obCrH1uRYubXaTEDLYuA=' 
WHERE 
  key_id = 'dc122b0e4ebcbf87403185f029615b89af3978e21e24c7757210b1d5a8ee7746' 
  AND (
    token = 'LbwNbAiue54g7xVfYvkfNB+obCrH1uRYubXaTEDLYuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )