UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eiTxNc5WvHFoi8J+DSEJynshwRqiFFBCNz8RpssH5Z8=' 
WHERE 
  key_id = '451f32e8e3d758de1ac81afc4296602df2639ec0a625ba2609b6feb936d78f1b' 
  AND (
    token = 'eiTxNc5WvHFoi8J+DSEJynshwRqiFFBCNz8RpssH5Z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )