UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kx3J1hU9+KxQtp87lUVeFdRtjSBBUZucAIgicJVcOio=' 
WHERE 
  key_id = '6b4ac2ba8c76a4c8c9e2b3a867253924973f69a33765e4ac8c09198a116e78c3' 
  AND (
    token = 'kx3J1hU9+KxQtp87lUVeFdRtjSBBUZucAIgicJVcOio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )