UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rku3PoLcW/sG2xFMl5lItTyUiwdQq+jMyN7J+GReb1A=' 
WHERE 
  key_id = '55a559aefc10ff09611019a101c20e91f8ee1223ff39538a09d09cdb08dc6251' 
  AND (
    token = 'rku3PoLcW/sG2xFMl5lItTyUiwdQq+jMyN7J+GReb1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )