UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fsuDyzfSok89FEx3IP/CroU4CI22H60NZ4FPuaODI0U=' 
WHERE 
  key_id = '4b5b7046ac34182ab8831bb3a27f00b93a40a0cc04c2457f80e415cae71315fd' 
  AND (
    token = 'fsuDyzfSok89FEx3IP/CroU4CI22H60NZ4FPuaODI0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )