UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xIchGxVlpGMSY2LI+R0KhjseOmjx5bPVV4JY66DCwD0=' 
WHERE 
  key_id = '502d1c496744836ec1311606a15c3c7ab9c4425bb92eff496bb4f9b07a0430d9' 
  AND (
    token = 'xIchGxVlpGMSY2LI+R0KhjseOmjx5bPVV4JY66DCwD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )