UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3eZE+zZVABuyriVWpJZsPVUORzimHQfqHhsuFN45FZY=' 
WHERE 
  key_id = 'b8a984940bd17faa7f43867e9bd91bfda493841237bbd7716c760cff8c8cdb2c' 
  AND (
    token = '3eZE+zZVABuyriVWpJZsPVUORzimHQfqHhsuFN45FZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )