UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z0TlvPA2zzFhrTgJSY+vkay291vdBZ1IvVXnKre43ts=' 
WHERE 
  key_id = 'c6171fbfee7808d70f61b8eea943e63758c383e9423f4203e552a077510ef7d8' 
  AND (
    token = 'Z0TlvPA2zzFhrTgJSY+vkay291vdBZ1IvVXnKre43ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )