UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KY7vfsslgBCFSWQfugu2n1b8ig6biehoyRPLFwo4O8c=' 
WHERE 
  key_id = '4fd8e1d9a6406db26e65431ac834d7091d97d9652277d2d1c9afba279e5b9038' 
  AND (
    token = 'KY7vfsslgBCFSWQfugu2n1b8ig6biehoyRPLFwo4O8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )