UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cgnuxr0eIAgYzFMkPLJ/xIGklFef5JvadpzUDeePe+M=' 
WHERE 
  key_id = '6ad6ae4f996a88ffc21a06ecc5960d447e38029ebac850af5916281918e672c3' 
  AND (
    token = 'Cgnuxr0eIAgYzFMkPLJ/xIGklFef5JvadpzUDeePe+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )