UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SCFhJkVrVWm4gbwtaIFLEG/gU/0MQr7T/7M6hEmzyak=' 
WHERE 
  key_id = 'c50634d02ecdf4f78f8a2f3c8f30e42f816c7477b3be32e1f73cf3963eb9f49a' 
  AND (
    token = 'SCFhJkVrVWm4gbwtaIFLEG/gU/0MQr7T/7M6hEmzyak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )