UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4qjqYdio3xcjGC6cnnHRfHljuWC9QSjVfTRltLMY9qw=' 
WHERE 
  key_id = '728e66ffd0d5e3381ef9894c6bba05bdda9cd9a0688156c401f5dd9bd9d72792' 
  AND (
    token = '4qjqYdio3xcjGC6cnnHRfHljuWC9QSjVfTRltLMY9qw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041