UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rZWp0w7JcyU3cMlK3yWc81WxJ83pCVw8j1VAjgg6ofI=' 
WHERE 
  key_id = '501ae6b2df14d0fce8049885f0c594e09c9df3f197273aaabc5df6e449b017e4' 
  AND (
    token = 'rZWp0w7JcyU3cMlK3yWc81WxJ83pCVw8j1VAjgg6ofI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )