UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kaz7WTey3nTEZvWszL+iyS0lqgWbJj2xSvCIGHbksBw=' 
WHERE 
  key_id = '7793b5fc7f97e44f4496f0688537516e584135e14a5766ccf80eccfdd86e0243' 
  AND (
    token = 'Kaz7WTey3nTEZvWszL+iyS0lqgWbJj2xSvCIGHbksBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )