UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zYRU69yE0t/kxjWsje/bXkd5VDGDloiT8YJhh89gnuI=' 
WHERE 
  key_id = 'eb781e90074163bc22bbda6e19d010836fdb706b30f7606d1736edf067a4eb2c' 
  AND (
    token = 'zYRU69yE0t/kxjWsje/bXkd5VDGDloiT8YJhh89gnuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )