UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't2riv2mJah1X9w+R9m9x5tlRQUx6832ktNrQR082dEU=' 
WHERE 
  key_id = '15d1a3942ac73fc65bb44a995cbf719b0b951d4a8a03b341141205c52ecde70e' 
  AND (
    token = 't2riv2mJah1X9w+R9m9x5tlRQUx6832ktNrQR082dEU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )