UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHzzSF6zIlBfjYRxg6ucTYyZ7Cd3MuAVw7EYqcXAjbU=' 
WHERE 
  key_id = '6d7656ecf556126d5370b69a749f2fc3392b7251ce5936527e0ef7801093bce3' 
  AND (
    token = 'KHzzSF6zIlBfjYRxg6ucTYyZ7Cd3MuAVw7EYqcXAjbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )