UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HsOj9ydv/0O3lEbhEWGnXZVxwL4gUfHdnUmyJijm50=' 
WHERE 
  key_id = 'e4880e2a88e20638fe2610653dda236879d83cbb19b635aaa83a908c03659266' 
  AND (
    token = '4HsOj9ydv/0O3lEbhEWGnXZVxwL4gUfHdnUmyJijm50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )