UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0YfCcG52oAMhDN1WNDMUBaOW4+97e2X6iUaplGjkRj4=' 
WHERE 
  key_id = 'd51ead92ea7a9871d99bf72623b72bf56d2406063f05ae1bb2fb338cfb0e33aa' 
  AND (
    token = '0YfCcG52oAMhDN1WNDMUBaOW4+97e2X6iUaplGjkRj4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )