UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6Ig8Es5C0rOdVdbIUt1pclb4JKF2mvrVg2zW3iYxbs=' 
WHERE 
  key_id = '50a2743b1284f538072a005f8aad4a14cef22f199ee8be8527941a576d6250c1' 
  AND (
    token = 'N6Ig8Es5C0rOdVdbIUt1pclb4JKF2mvrVg2zW3iYxbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )