UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '23e6vEpMoEciqI5t0ra8kpDRQoSNLdJhOlFqArx/Lgg=' 
WHERE 
  key_id = '4918982a5cad4330d127bf096836fce552a424186f6e76de458d4409930972e3' 
  AND (
    token = '23e6vEpMoEciqI5t0ra8kpDRQoSNLdJhOlFqArx/Lgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )