UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rxsit8rlHD3Bmel7H1jMr//h9p5JrZaLey0F1YgYm10=' 
WHERE 
  key_id = 'cb8f96a965e9ed0c9367e9581c83b19a27f9aa37abbf2f1837f34745a61ac323' 
  AND (
    token = 'Rxsit8rlHD3Bmel7H1jMr//h9p5JrZaLey0F1YgYm10=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )