UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kg5TLXTknEQJIYhWgevJH0Yahj+tX/JzHlk9/8OzwKg=' 
WHERE 
  key_id = '81108652c92472f70488870388109fa57dfdd5a9521ee7e3ac4736d36a3bef4f' 
  AND (
    token = 'Kg5TLXTknEQJIYhWgevJH0Yahj+tX/JzHlk9/8OzwKg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )