UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5MBL5ZjxIoNSiDz5Q03J6iN9k8fq+WcPh7r+25Ra+ok=' 
WHERE 
  key_id = '452bb986982b941e4bf3ca5d9e33a9ac2368c8da8f03d044f474fd32b3fd3e0e' 
  AND (
    token = '5MBL5ZjxIoNSiDz5Q03J6iN9k8fq+WcPh7r+25Ra+ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )