UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DMIm+Epw3IIQBzJAqE7UtmRghjYAUlT4XGsbUF7Jk/g=' 
WHERE 
  key_id = '8e7c63901de9da351e453ab36317afdd846b9de7296f84d2b6135578ce4a2e74' 
  AND (
    token = 'DMIm+Epw3IIQBzJAqE7UtmRghjYAUlT4XGsbUF7Jk/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )