UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVRjvzHsksVUL9W1L5vcRxW9MWHvHv0V43CU1JgmCqc=' 
WHERE 
  key_id = '5dae547dce933dacb37f4ee4bc5944d29750d31588c9971c9f3425e6119af63f' 
  AND (
    token = 'PVRjvzHsksVUL9W1L5vcRxW9MWHvHv0V43CU1JgmCqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )