UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zerx6Y9apCjIdltjNHzNVNwHv72VrULadnsvNLTwg4Y=' 
WHERE 
  key_id = '93eb0c1fed4d12ed23d05eb2e5f4e508ed493099120719578953162710b73814' 
  AND (
    token = 'zerx6Y9apCjIdltjNHzNVNwHv72VrULadnsvNLTwg4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )