UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EPnCGgvJ/OEe6fYKfS3QrbJXM54qbEcemUcFQpdziic=' 
WHERE 
  key_id = '21e52b532fa559f9f508e1ca2f8b318150d441da62fb4e841b0a99ccc98150f0' 
  AND (
    token = 'EPnCGgvJ/OEe6fYKfS3QrbJXM54qbEcemUcFQpdziic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )