UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T3GThNbTVZLPUI8KloXV4QsOzPVxYMm+w6DD/s6qUzM=' 
WHERE 
  key_id = '50b29b5d39eebaa38d5fa45c7579ca1349cfa483d3252cf11191359a239d2cdd' 
  AND (
    token = 'T3GThNbTVZLPUI8KloXV4QsOzPVxYMm+w6DD/s6qUzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )