UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4qXmOr6z3wMiDwW4X4U0OEw8jpeI8HxoBxxUQlC311k=' 
WHERE 
  key_id = 'e84de07cadc8c95067e45d833c2804e7187acf1044d5bde995f494525a0daf56' 
  AND (
    token = '4qXmOr6z3wMiDwW4X4U0OEw8jpeI8HxoBxxUQlC311k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )