UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxVm4u3D1ixx4dNC5rhcDA3YFzV3yF11cJ99vU/NvXE=' 
WHERE 
  key_id = 'b86e9b74da95da5c8c4e291b618df1ae21979e49ca7a0dd5378360b499e55388' 
  AND (
    token = 'gxVm4u3D1ixx4dNC5rhcDA3YFzV3yF11cJ99vU/NvXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )