UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cD28OlUwnMDzo3EfPWOIsnXNFurKY33SSkcmWvgG1mA=' 
WHERE 
  key_id = '646ef9b423ce11347bde9f3f85fb16acac3b10db733bbf8fb7a196e473659c54' 
  AND (
    token = 'cD28OlUwnMDzo3EfPWOIsnXNFurKY33SSkcmWvgG1mA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )