UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4LZ0dJGSzzPLx3Ko4iWHsN7WvxucaYbY14deQROEypU=' 
WHERE 
  key_id = '4a49d4bd994f3527d6db1214687661d8bd97a8c6c58811236121ea1273a33d5f' 
  AND (
    token = '4LZ0dJGSzzPLx3Ko4iWHsN7WvxucaYbY14deQROEypU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )