UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QGEGhLvCZM5OKa7dN5QJm8hnN5+orf+IqBGLEMzoNYs=' 
WHERE 
  key_id = '9cbcd65f58e5d90a9f8fa756c61957f4705eaae63edbfb68b335282a9024b416' 
  AND (
    token = 'QGEGhLvCZM5OKa7dN5QJm8hnN5+orf+IqBGLEMzoNYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033