UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EemVo2QP5VDJAdm3mc38PJyVHqjySkrr4RwDCMtIGbM=' 
WHERE 
  key_id = '193b2625aecfe82468b172e33c847c93b5579adb7e3740c9d9afb478031fe3c2' 
  AND (
    token = 'EemVo2QP5VDJAdm3mc38PJyVHqjySkrr4RwDCMtIGbM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )