UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd38fwH1BNWySnu1snSpQmh9WrWQ/b2OrHfc4Dqy3YAc=' 
WHERE 
  key_id = 'd943d809362372a073d8613f3c9296eb0cd28ab3111c9e4ec69c7bdbbe017330' 
  AND (
    token = 'd38fwH1BNWySnu1snSpQmh9WrWQ/b2OrHfc4Dqy3YAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )