UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnXajQcpQctWfmuiGLEl2EbUj/xLdg21X0y8RZR26GA=' 
WHERE 
  key_id = 'e2b1a1bf916c374bca7ff62fc664f5bf621e1904ec9251857b75847cd3708b35' 
  AND (
    token = 'tnXajQcpQctWfmuiGLEl2EbUj/xLdg21X0y8RZR26GA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )