UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZmQjFHLwQ0bI3RMlCx8eV5jytQxvT/PT39t3/uvEhM=' 
WHERE 
  key_id = '476ec0ba7460f3d1e9c7c591ca91c974fcfd3673836be082b1e16d6281acdd5b' 
  AND (
    token = 'nZmQjFHLwQ0bI3RMlCx8eV5jytQxvT/PT39t3/uvEhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )