UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rRVIC4z8c0PfeMwJpi9rJEAcaG95SKfSkVUeKSIG/C0=' 
WHERE 
  key_id = '18fef809d748ae18ef5af04110eacfd22d9ca3afa58fd00802a3c4ff043ed977' 
  AND (
    token = 'rRVIC4z8c0PfeMwJpi9rJEAcaG95SKfSkVUeKSIG/C0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )