UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NVcjc1gWCNQw2ELqAwGD0q534G0WXydXx+lQeMuKxdw=' 
WHERE 
  key_id = '795c9ce4fbb7d68f4181ae247c78a26971ae619835d496bc5670ff0bd5025087' 
  AND (
    token = 'NVcjc1gWCNQw2ELqAwGD0q534G0WXydXx+lQeMuKxdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )