UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bNTunrw+1gaqAQCXEQ+3D6anOWRUfnyAlyirAP4Np+c=' 
WHERE 
  key_id = '81ac9a478ed2a57d9c16f8bcca76ff73a5f88e5d11f3ec4b726796e82af37f00' 
  AND (
    token = 'bNTunrw+1gaqAQCXEQ+3D6anOWRUfnyAlyirAP4Np+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )