UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPzU9tkkOWJ8cTuns1WSvegTPA9BxSW3AspNdK9YLPU=' 
WHERE 
  key_id = '2f76bc1badbde4c366de6a35f0ec477a47c9ad1209c859165229d7c8013b4580' 
  AND (
    token = 'VPzU9tkkOWJ8cTuns1WSvegTPA9BxSW3AspNdK9YLPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )