UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hwb87UMLPd1EHqLX4icoqAxrRUCqwP/DF9JlZ2SPsZA=' 
WHERE 
  key_id = '51b9bd5ae0480e819990455c2d57b52d9b1e9d936d2110391829fb7f0ba44700' 
  AND (
    token = 'hwb87UMLPd1EHqLX4icoqAxrRUCqwP/DF9JlZ2SPsZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )