UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/yLb6qCRmayKiiyXFEiaRWGPIjWC4j6BP4PsH2XKfdI=' 
WHERE 
  key_id = '76a21b5f58c1f670c4adda044e4a0ff895b7fa7a1c415aaaada844e8c847b593' 
  AND (
    token = '/yLb6qCRmayKiiyXFEiaRWGPIjWC4j6BP4PsH2XKfdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )