UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uGrEMaZa8q5YkdxhEwHxFfaTrvutBisYudDvctXAs2o=' 
WHERE 
  key_id = '6e137d75c8d1b6de5935b765bb490a2d903143fb1a7c1f445e2570d72f9b8df5' 
  AND (
    token = 'uGrEMaZa8q5YkdxhEwHxFfaTrvutBisYudDvctXAs2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )