UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3zL+zQANtdaeBecsb8MD/g68HvTcOKyT08IRA8jqDQ=' 
WHERE 
  key_id = '20c84da84ebf48941190944a70ccc2972c05e6bd0136a9ad0b8bb5e4a933db21' 
  AND (
    token = 'a3zL+zQANtdaeBecsb8MD/g68HvTcOKyT08IRA8jqDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )