UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ah94li2MBV41hNYCxlJgLtBWRcny7IvzY9HIKGqkKc=' 
WHERE 
  key_id = '6d2a783eb6b1a23683cf56d76ee857e06ed1ed2e778767d4ef646194b5945534' 
  AND (
    token = '+ah94li2MBV41hNYCxlJgLtBWRcny7IvzY9HIKGqkKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )