UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/0ZenMnMIp+RqpWVbEInE92KgDTVonYMPPuIaDERy8=' 
WHERE 
  key_id = '3e953df9440048aaa74a38490f9a99282928a8e450bdfcc1508ade3d794d2fc6' 
  AND (
    token = 'e/0ZenMnMIp+RqpWVbEInE92KgDTVonYMPPuIaDERy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )