UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YDLbcziepB2RvOSB8YHr653LXgFQ5y5yCoU3AIDMyeo=' 
WHERE 
  key_id = '20a7a961eadce7af3525b127b55faf4a051a06ed70a06a50343c8996706653d7' 
  AND (
    token = 'YDLbcziepB2RvOSB8YHr653LXgFQ5y5yCoU3AIDMyeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )