UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zu48eUgRb3pklOnHX1aqGVjnriF5fGTEkTwAOJMCQ/Q=' 
WHERE 
  key_id = '96bc792f86f0ecdc5a308f4f4702b9a21a72f0c6483d36a68dfb455ac2638c90' 
  AND (
    token = 'Zu48eUgRb3pklOnHX1aqGVjnriF5fGTEkTwAOJMCQ/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )