UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xPBtfS+JniyISG0mSyo5aWdNqaAIz0nHQLuo2J+5FJc=' 
WHERE 
  key_id = '51516645afd71ede7191e83db04f68c2e954ab1a19366bce8475dd455a4bf612' 
  AND (
    token = 'xPBtfS+JniyISG0mSyo5aWdNqaAIz0nHQLuo2J+5FJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )