UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/q7fh2jsIQE9MHfIzhwfEHzBaU2KvVuUNBHgSFLZE38=' 
WHERE 
  key_id = '50d706780564f96533ab96b2b16a858fb57b0f17913850a3d93790d23bdbe1e0' 
  AND (
    token = '/q7fh2jsIQE9MHfIzhwfEHzBaU2KvVuUNBHgSFLZE38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )