UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jKrn4G0IiZJXTPA6xXfiNdkhtaNhUmk4jWGHSH694TY=' 
WHERE 
  key_id = '6e1ea6290aaf7037aca415ea1f8a4530a3d70f9e3233acc1247339a51881a57a' 
  AND (
    token = 'jKrn4G0IiZJXTPA6xXfiNdkhtaNhUmk4jWGHSH694TY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )