UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xX86jPjb8c6ZOfigq7+tiZs1V8syTNgjHtxFxTltSjM=' 
WHERE 
  key_id = '8540047c25be8af8178760f2bca5b0cfb444de504589073e3792a8202cce4d3e' 
  AND (
    token = 'xX86jPjb8c6ZOfigq7+tiZs1V8syTNgjHtxFxTltSjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )