UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ldN6cU++zM49BHUtRrW2hcTxwdUl1dxXC6bnKBKzeso=' 
WHERE 
  key_id = '0ad76e166284256e1eb02480485fe7541862586f1e82d95702b96a3ee882724a' 
  AND (
    token = 'ldN6cU++zM49BHUtRrW2hcTxwdUl1dxXC6bnKBKzeso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )