UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UJ8HqUvP/LrRttG7pSYg/dJHMY0xNakV4p7LFoDP/1I=' 
WHERE 
  key_id = 'e482d33d90b40abad40af77030bb601e2ada284dda7b69602dba5dbc90516951' 
  AND (
    token = 'UJ8HqUvP/LrRttG7pSYg/dJHMY0xNakV4p7LFoDP/1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )