UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6AQ/pTrWgfzYZ83J0i/cOTc0qsZVEqAztE3e4FJgjI=' 
WHERE 
  key_id = '3012ac7cad979f13528818f160c60d981f1375997127904d8c671dca05fb407b' 
  AND (
    token = 'G6AQ/pTrWgfzYZ83J0i/cOTc0qsZVEqAztE3e4FJgjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )