UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51H4z9EmZTjUdAcFx51i+kQ3X7SmljjwUTvHCjfWC2g=' 
WHERE 
  key_id = '8bce26512fc087e3186202b99133283b0a853f6fbcd21b96d6e06d96bc6390a7' 
  AND (
    token = '51H4z9EmZTjUdAcFx51i+kQ3X7SmljjwUTvHCjfWC2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )