UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uAw4eBO8l/n+FbQan9jRgPumweL46cHTZA84KzJYR/k=' 
WHERE 
  key_id = 'a420cc3093434c5a3f9d6ecbc987f6267c7815900f7315e96446755692c80ef2' 
  AND (
    token = 'uAw4eBO8l/n+FbQan9jRgPumweL46cHTZA84KzJYR/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )