UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'irtzo3eObYhsiIZgOv7YxDF5LDhmUUhn91vCOgCkFrM=' 
WHERE 
  key_id = '3515761325f21397a9d69c3c657594c9a0a50c1a81f11895c2b5237d9fbc8253' 
  AND (
    token = 'irtzo3eObYhsiIZgOv7YxDF5LDhmUUhn91vCOgCkFrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )