UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SKn+JGXBs9lNy9P5cprcgGgixujtcGmL7UlvzkOUkIs=' 
WHERE 
  key_id = '6e799def1cba21f64f53bc28c3cb746fcfd9ef99a49d72c926954ca9429c3c2e' 
  AND (
    token = 'SKn+JGXBs9lNy9P5cprcgGgixujtcGmL7UlvzkOUkIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )