UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lg6SPU7fkGTGww6irbbYoZW290EphfmRCvZ0MlBK6ho=' 
WHERE 
  key_id = '551a1047c8b36a174f379924b3e8494486490421e27f109b1dbe867a7433699a' 
  AND (
    token = 'Lg6SPU7fkGTGww6irbbYoZW290EphfmRCvZ0MlBK6ho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )