UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pdRQLTM8ZdDfT096dAfFVlnPVUx3ho7JYQeEjeFQ+VI=' 
WHERE 
  key_id = '76d2b9da74bf32844afc1f9c359b7192e7db59306efd4bce65b9b47e2386bffb' 
  AND (
    token = 'pdRQLTM8ZdDfT096dAfFVlnPVUx3ho7JYQeEjeFQ+VI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )