UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlkgI0ofbEulBkgDhZl59Q9OoTS7SYcEzmh5cVuvR+Y=' 
WHERE 
  key_id = '6853777dd032314825488f50964c4c59929aa363ff94e95f00624504be0b4fe1' 
  AND (
    token = 'PlkgI0ofbEulBkgDhZl59Q9OoTS7SYcEzmh5cVuvR+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )