UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't3BKVt33scTlXc9+MxHnEcs3Dx+xGbhAYqgRCz6UFNg=' 
WHERE 
  key_id = '52d8675aa3f8d99bd297bf099e387586c7209238be34d903387d2403e0a94527' 
  AND (
    token = 't3BKVt33scTlXc9+MxHnEcs3Dx+xGbhAYqgRCz6UFNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )