UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K0LacA/tniW9GQJIPppTRPTsye8AR5x8grOLne1s6EA=' 
WHERE 
  key_id = '1e0f02181fc7925841179101a45f1edd6335180a742cdeedab77b3497ef89eaf' 
  AND (
    token = 'K0LacA/tniW9GQJIPppTRPTsye8AR5x8grOLne1s6EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )