UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pyyZoPzAXsUcfJKk2g00vbTuqEC2ETKmAHqzwdV6PfY=' 
WHERE 
  key_id = '5739a959924d299180d3af118202b35045b0c950844075a0b2fdc7de7db7aea9' 
  AND (
    token = 'pyyZoPzAXsUcfJKk2g00vbTuqEC2ETKmAHqzwdV6PfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )