UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2gzq7oYMIOxr1kfKdlFBIjD5WvnDVlVRPpFq5aGWI0=' 
WHERE 
  key_id = '30d9338ba919fb66fd5a0360eff16ce3c41c34e94f3b47aa268370410e7beb51' 
  AND (
    token = 'N2gzq7oYMIOxr1kfKdlFBIjD5WvnDVlVRPpFq5aGWI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )