UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c52M/tjJEkL/FmExrTsm8OrNnw7/hkxAcSP/nojiUi8=' 
WHERE 
  key_id = '751d094213127c17ff34fe949a81f70622836ddf7ec5777eae8efacd25738d22' 
  AND (
    token = 'c52M/tjJEkL/FmExrTsm8OrNnw7/hkxAcSP/nojiUi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )