UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kMI4aow+GHwKTCM4cd+u/Ms9WBc1AAtsKyM0ZFUP2OY=' 
WHERE 
  key_id = '50638f8df280843bc39b6dea44b668af1e9d6a23a19456a1d06eb2f9ef1b4b7e' 
  AND (
    token = 'kMI4aow+GHwKTCM4cd+u/Ms9WBc1AAtsKyM0ZFUP2OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )