UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yW6//dkEoxDCWSh1FYnWFHkcOazXdJXfZKPo664QekU=' 
WHERE 
  key_id = '50348ef336372db74e8fe91a89e4a64f2be3ee33a81af3d2c2310d7fb767d33c' 
  AND (
    token = 'yW6//dkEoxDCWSh1FYnWFHkcOazXdJXfZKPo664QekU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )