UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YNzBeNUmMgX7CiuKqXtl2bfMSLsb8VBUEmg6/st/g/k=' 
WHERE 
  key_id = '4f879f4e4aed0a4be5fde981b05cd729b298d21c041386253488a89eda9f4784' 
  AND (
    token = 'YNzBeNUmMgX7CiuKqXtl2bfMSLsb8VBUEmg6/st/g/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )