UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YxVT2QWQhwll90DQ7OsaPiVgY1XJVewHP5LQu4xz9oM=' 
WHERE 
  key_id = '81da8b84f2b65da71b1da4359eb39a2b8043a49f6b04f8f79be9e13f13d2d454' 
  AND (
    token = 'YxVT2QWQhwll90DQ7OsaPiVgY1XJVewHP5LQu4xz9oM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )