UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+uTgEmfMaksqD8gp9PLc3Ia3f9m62lsG9KYNseiWuc=' 
WHERE 
  key_id = '29930b921bd635d4995935396c1cc4f78615c7194f71ca4babc11b04e8f6db73' 
  AND (
    token = 'n+uTgEmfMaksqD8gp9PLc3Ia3f9m62lsG9KYNseiWuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )