UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WKg+apLAVI4wRxRdP281lMwxk8v02r2ns8rKtw8c6hA=' 
WHERE 
  key_id = '12640272968a67860ea2e56c80eae490c2e55e8f0c3bb9784b755de3d2547c78' 
  AND (
    token = 'WKg+apLAVI4wRxRdP281lMwxk8v02r2ns8rKtw8c6hA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )