UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gk9wI8JoqtuWgvm6Kdp9tKyoaETxJt5RSJIQHFsxPWU=' 
WHERE 
  key_id = '4a55a8271b3f2ff4bd41029c68602c056049c7ee217288404e384b65d814047d' 
  AND (
    token = 'Gk9wI8JoqtuWgvm6Kdp9tKyoaETxJt5RSJIQHFsxPWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )