UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f4Du1VhLrVEtmNYj0kqAUoQKhRpCq73gLc6O/+zXLXE=' 
WHERE 
  key_id = '49c0aaa25c12848bea6b31f76f0a766cd6b15dbc8493c8ecebf855c3ff890168' 
  AND (
    token = 'f4Du1VhLrVEtmNYj0kqAUoQKhRpCq73gLc6O/+zXLXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )