UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkyOfvXhVIFZBPxNubNERHhKwQXb6xmGECKWyK8qMIE=' 
WHERE 
  key_id = '2e9a73b708567f520b08b5a74197abb988250462b6ad5fe329aa56703314c6c3' 
  AND (
    token = 'RkyOfvXhVIFZBPxNubNERHhKwQXb6xmGECKWyK8qMIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )