UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zb5BSBQwD/kg0MaKuLBSh5DPRJdVVk81xzpCQPGdj1E=' 
WHERE 
  key_id = '40a9983eeec17e1a5edf0c630332607f4accdc9c921a2be6d81f46ff2a1ab1a0' 
  AND (
    token = 'zb5BSBQwD/kg0MaKuLBSh5DPRJdVVk81xzpCQPGdj1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )