UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMElV1g1ZwpzAg70bCVxAdpbMKUoX1Drm3XUU0lwwdY=' 
WHERE 
  key_id = '6d853284b4c65b94b74ad38607b71dc57301ee354c31587e78e451d471e330eb' 
  AND (
    token = 'WMElV1g1ZwpzAg70bCVxAdpbMKUoX1Drm3XUU0lwwdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )