UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yzetabrThJgVONTUnzhx5JhCjiN9STAF2bo1DtqFdKA=' 
WHERE 
  key_id = '81e87680a439bd255d5b0083fde021ba3614ff464539fd4d8e2385361a5d0780' 
  AND (
    token = 'yzetabrThJgVONTUnzhx5JhCjiN9STAF2bo1DtqFdKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )