UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rC3tMMF1JOi1T/3Zn1r/uBngqQx4wi82GCH98lT8Fa4=' 
WHERE 
  key_id = '541b74ce461e7871fabab7544e4550b1339533e26add93fc55fdc6360c1d037a' 
  AND (
    token = 'rC3tMMF1JOi1T/3Zn1r/uBngqQx4wi82GCH98lT8Fa4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )