UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2bFgfxtPzZi+TkO1NGIidgxbgVuVMXONWWH4xZt4WKI=' 
WHERE 
  key_id = '2b5a5469d3e94650b8adcb8259b14242bf9055b3e6971d777b250a34a0e95531' 
  AND (
    token = '2bFgfxtPzZi+TkO1NGIidgxbgVuVMXONWWH4xZt4WKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )