UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DkO/yFAfZJ4LSqNa5Bljg50l5R3BxEOuU5cWOcqD9Fk=' 
WHERE 
  key_id = '83b744c4ee7b474c8e4fe59ffce15982f1966162acf75da3485139e0ec7f3ae1' 
  AND (
    token = 'DkO/yFAfZJ4LSqNa5Bljg50l5R3BxEOuU5cWOcqD9Fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )