UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNkb57RRaz2awrcVEyiq0tbNW4XXUm5iGQl3lrxcIys=' 
WHERE 
  key_id = '9cfe22fb9df8b3221f28ac500a0b5417907168df5d176e75c558ea1f02b94336' 
  AND (
    token = 'xNkb57RRaz2awrcVEyiq0tbNW4XXUm5iGQl3lrxcIys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )