UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znTQOmzdHOkQHlIAf41iGzI1sxhO9Lp1Rv2ekMjUjc0=' 
WHERE 
  key_id = 'a661500aa53f92fb2c8b1f6b762d218a268b502f3330c5876e83893b48a971db' 
  AND (
    token = 'znTQOmzdHOkQHlIAf41iGzI1sxhO9Lp1Rv2ekMjUjc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )