UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UY8snFw88e2+4eaF0bT5MWKe3TxDHoCnGrNauMXqP6A=' 
WHERE 
  key_id = '55e64295d502e75b5dc66dc319431b1808cead046857de25a5c93fc3ab016c34' 
  AND (
    token = 'UY8snFw88e2+4eaF0bT5MWKe3TxDHoCnGrNauMXqP6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )