UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4v2dTAl1AUQ/kyMo0egK4A3kaiGykcKMZNDxk8YIRkg=' 
WHERE 
  key_id = '4515a54de7128faa594ab6784bb5c895692b5164387ae1a079074e3f80ca20e2' 
  AND (
    token = '4v2dTAl1AUQ/kyMo0egK4A3kaiGykcKMZNDxk8YIRkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )