UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qmo5cXtGY/zJmlWsXP1XZEZaDWMhCcVsyZdAoKFZNZc=' 
WHERE 
  key_id = '388383cd9a463cf9581247b1c63e69fdf357fe4e6058e880ebc7e48ef8cf3fec' 
  AND (
    token = 'Qmo5cXtGY/zJmlWsXP1XZEZaDWMhCcVsyZdAoKFZNZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )