UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v2nk+6xQV/ijAzAnp9O84ZEKMbqcQPVvHDKRws4sCIA=' 
WHERE 
  key_id = '1e6f3c9d2d751836f90d92958dea7248ea8b257d8250fcc0881b83c6c4fce3d6' 
  AND (
    token = 'v2nk+6xQV/ijAzAnp9O84ZEKMbqcQPVvHDKRws4sCIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )