UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RebxQFEIrakz45VScvB8uUqtCU4WbIhocLVBd8V/89o=' 
WHERE 
  key_id = '73260b40380bb127df662d7d8b214318b61e8099fab426535466f6f139e15496' 
  AND (
    token = 'RebxQFEIrakz45VScvB8uUqtCU4WbIhocLVBd8V/89o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )