UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlFKmflnHNbMTrDT4/oSW3xzmmUtVPIWa5fV3skdCpU=' 
WHERE 
  key_id = '9359f2ab787a253842f881e93b2df233cf5875c892f59eb7089071a28b54f304' 
  AND (
    token = 'MlFKmflnHNbMTrDT4/oSW3xzmmUtVPIWa5fV3skdCpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )