UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EgJeFJXNq9cff6VCWvUGRGpWyjsyj3Um8IZf9+2/X58=' 
WHERE 
  key_id = '21730e936d15b71a37923c78687a0b07d51926af3d810968278fafb06de7c79a' 
  AND (
    token = 'EgJeFJXNq9cff6VCWvUGRGpWyjsyj3Um8IZf9+2/X58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )