UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NmptGSyLVBwssGJWjYT9k+oBTNNiATSKf3gE3ALT6SE=' 
WHERE 
  key_id = '81b157270b969bf3b013b4acef4336ab2bfab75b2fb5383faf90f42cb8c03197' 
  AND (
    token = 'NmptGSyLVBwssGJWjYT9k+oBTNNiATSKf3gE3ALT6SE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )