UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2KzyR38e3vxKr2ZuZKWlrhOIfdDMw1FrdY3WU0M+KM=' 
WHERE 
  key_id = 'a40452a79a2cb08e5d83d4d93e183e8380c7cdd295d8ae73237541c6f894890f' 
  AND (
    token = 'u2KzyR38e3vxKr2ZuZKWlrhOIfdDMw1FrdY3WU0M+KM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )