UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QUm6vpfUpu2kzJevIbQK+74UPX0/MEm9SM7XWxy9AiE=' 
WHERE 
  key_id = '7b79dc6bdcd03b5d64e68749224208625a41d3dbcebfbd4baaab87fcd6bd7a52' 
  AND (
    token = 'QUm6vpfUpu2kzJevIbQK+74UPX0/MEm9SM7XWxy9AiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )