UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CxHk3iikhKPJRGP//2k0T3lDVRbbzXKBhVtrDTlJXMM=' 
WHERE 
  key_id = '2b21eb221ed909cd55f5f7b41c580002e8705655d6b523533f3b9d0858f08884' 
  AND (
    token = 'CxHk3iikhKPJRGP//2k0T3lDVRbbzXKBhVtrDTlJXMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )