UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cvkHFZ/2QFHKAGKbEJE+FykDvHvGjRhj7dm8NOPi6pA=' 
WHERE 
  key_id = 'd1f8be0d9a6de5029c699b9b040a03e6795e57af4c806543e17f6ae274ac81bb' 
  AND (
    token = 'cvkHFZ/2QFHKAGKbEJE+FykDvHvGjRhj7dm8NOPi6pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )