UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lH03aFSP7zl0njDjUwe2rEUZBCkZ8fhOACdeQmr7UFs=' 
WHERE 
  key_id = '20838537a8b8c9c68e42e33ee4eb953cd99c4c67ecd2e443ab438b1f54161cab' 
  AND (
    token = 'lH03aFSP7zl0njDjUwe2rEUZBCkZ8fhOACdeQmr7UFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )