UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KcMu0pIOonGHY4VH7dRtfiEiddGsJNsHd8gO07EJc24=' 
WHERE 
  key_id = 'a67a6a52a217c5b0716d56ec5d2b23f20d650b40937748f4bfe02631f6c32385' 
  AND (
    token = 'KcMu0pIOonGHY4VH7dRtfiEiddGsJNsHd8gO07EJc24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )