UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vNGKxdJciHwduy9Pi8sug3wDHM64yTilPtVDBTjCAgQ=' 
WHERE 
  key_id = '976fbdb4419755e89203a7bbf776b457fbe94993a983a9cbdb48c222f62a5ad6' 
  AND (
    token = 'vNGKxdJciHwduy9Pi8sug3wDHM64yTilPtVDBTjCAgQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )