UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LAWSa57iUzk59W0YhNOlu6Wb5LpovUJ0I/5IE84usso=' 
WHERE 
  key_id = '847b93d6744c7b20ac34b8292ccea9e6a2abd69ebc0f973a315f930ff0359735' 
  AND (
    token = 'LAWSa57iUzk59W0YhNOlu6Wb5LpovUJ0I/5IE84usso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )