UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W5dwlnsdMD5pRKZkAl3TexH1PdTZ/iZPsv+y0EiXPNk=' 
WHERE 
  key_id = '4cd4d4e83387a0cde0248d174ae4eefe87e36c76f17541395bb6dccf1ba8bc6f' 
  AND (
    token = 'W5dwlnsdMD5pRKZkAl3TexH1PdTZ/iZPsv+y0EiXPNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )