UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cs3EkgJF0tKbda6fV1HBzQX8ggcBzlf7RCIX0nb/RTI=' 
WHERE 
  key_id = '83f99b8a87a9de7e1ef74dd26203bd4748ad225a4ae869b241b75ff39a732e1f' 
  AND (
    token = 'Cs3EkgJF0tKbda6fV1HBzQX8ggcBzlf7RCIX0nb/RTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )