UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DB3FsKMkMwbqWyEYD/1B8FhPkBMemRWAY3C+G0u/rPE=' 
WHERE 
  key_id = '7a1a3cad1da3f1d2e02c124578e7889197e396b602e455dd75b4ef542bd34986' 
  AND (
    token = 'DB3FsKMkMwbqWyEYD/1B8FhPkBMemRWAY3C+G0u/rPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )