UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhJF5Ew6V8Lu2Z9//PCKkeXOGjgTah0zOdPGHQk4VP8=' 
WHERE 
  key_id = '93d469a96b14f9595cc496b5c2f9eba943b135df01c853b586e8021d5d195585' 
  AND (
    token = 'MhJF5Ew6V8Lu2Z9//PCKkeXOGjgTah0zOdPGHQk4VP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )