UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTQaQcx5IcRetTD43wCjavZvyRMhFKz7KbH2E5vGt0A=' 
WHERE 
  key_id = 'a2c36887ccf3fc524c831a95521826edcab3e91d96efbd6ac15426642e5bb267' 
  AND (
    token = 'MTQaQcx5IcRetTD43wCjavZvyRMhFKz7KbH2E5vGt0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )