UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YSXEKwKMaWnCDrs9sugexrZJ/u3AiVUzEqMWLZW+AvI=' 
WHERE 
  key_id = '794f896215f7af27491854395bc161cda58922af2d407d9d5b086e3a9f840c39' 
  AND (
    token = 'YSXEKwKMaWnCDrs9sugexrZJ/u3AiVUzEqMWLZW+AvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )