UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2eLfK7YGa9HYIKiEpfyw+ZpSz4TfvwRSIAmJHNNFg4=' 
WHERE 
  key_id = 'd144c35ee3f674f07508c3dced3d5d14100a7c459f8101b960ae158ecc142b3d' 
  AND (
    token = 'U2eLfK7YGa9HYIKiEpfyw+ZpSz4TfvwRSIAmJHNNFg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )