UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9ZCTw8CxP+NKEYdNzTvOWYdP5ePybRe8OWDco+8Bdxk=' 
WHERE 
  key_id = '21b031c243f730f179aed241e5e322e55279bd4e6b175c54bb8999f6b528173f' 
  AND (
    token = '9ZCTw8CxP+NKEYdNzTvOWYdP5ePybRe8OWDco+8Bdxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )