UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8DlSAlvjMRKOxOPzWT34rRwQ8znOlMK9zNkeICklWi8=' 
WHERE 
  key_id = '79f4e21d191b41688465ac7b829581e72a6b61bb3b9e082647c0868cbbffd082' 
  AND (
    token = '8DlSAlvjMRKOxOPzWT34rRwQ8znOlMK9zNkeICklWi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )