UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPQgxm6Nk99idCW/l0QY0CPeSbw2OzpCXN6Der0AmuM=' 
WHERE 
  key_id = 'e6c1fe9ad971d6889a36700a02714307506f1c9e1435c9b9de2f1e989748487e' 
  AND (
    token = 'VPQgxm6Nk99idCW/l0QY0CPeSbw2OzpCXN6Der0AmuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )