UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CNlH58qSaWUV9i38nUZHZPPf6ssgFNIBwRpCGDEung8=' 
WHERE 
  key_id = '97ad40d624c69790433299df220443ee7711a3ed069b34b0725397b14aaf583c' 
  AND (
    token = 'CNlH58qSaWUV9i38nUZHZPPf6ssgFNIBwRpCGDEung8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )