UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euUD1jNZQ3a6M8j/k0e4nNhcieawl8Sun0yStLxRx3o=' 
WHERE 
  key_id = '3b8b15963243e772b3e626dfbc02c04b4992345eb246f8eac5d9803fd2c2e352' 
  AND (
    token = 'euUD1jNZQ3a6M8j/k0e4nNhcieawl8Sun0yStLxRx3o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )