UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DOhvz2Xqt9OZ4fm/rVe4pJOgTX3rdeAbVU7PTqv6o5c=' 
WHERE 
  key_id = '21b1456f01c3e7982d1d616e9376561b967a720b1a88f116b90d5162518378a4' 
  AND (
    token = 'DOhvz2Xqt9OZ4fm/rVe4pJOgTX3rdeAbVU7PTqv6o5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )