UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0kMW+9fjiy0FafYpn/W5lDCCI9HXHlDb4aZdfWIB8uA=' 
WHERE 
  key_id = '893cac6427b9a9f8b67b38b14a033a6679438a02bffc04a0006bfb0989e52853' 
  AND (
    token = '0kMW+9fjiy0FafYpn/W5lDCCI9HXHlDb4aZdfWIB8uA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )