UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j477HEV9/kWkZOskILccFJEeC6FaZrOvlHCiOABctIo=' 
WHERE 
  key_id = '7ef643d59da1df540d70b89fcd3acf9b8df00233315913d325be2301befa7354' 
  AND (
    token = 'j477HEV9/kWkZOskILccFJEeC6FaZrOvlHCiOABctIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )