UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'msuMZfK4StGIIHdUIyJSOXMEDzZqN3cL7YU4xjWUTlk=' 
WHERE 
  key_id = '90f77af74aa6a32042813f585bdcb997829bc9c3ccb532cf3fc413386efe6cdd' 
  AND (
    token = 'msuMZfK4StGIIHdUIyJSOXMEDzZqN3cL7YU4xjWUTlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )