UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xMSzxYw0rh9bu9rxRDlcOAwCmzlxz8qxc5pEOs+W9U4=' 
WHERE 
  key_id = '491887dbc60fad4459054cd09aa391bd9e3d49f3f245bccf340f7865270040d1' 
  AND (
    token = 'xMSzxYw0rh9bu9rxRDlcOAwCmzlxz8qxc5pEOs+W9U4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )