UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V2GPtYmGp+KFg2oaOheitn6PB4a21DPLVPEV7b5V4Wc=' 
WHERE 
  key_id = '79c511cd9173afe10cbf8f9e6b73f388e25a8a966cbe05d550e01bebe4472ca2' 
  AND (
    token = 'V2GPtYmGp+KFg2oaOheitn6PB4a21DPLVPEV7b5V4Wc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )