UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GVUz7uEuQ4b/7WMWP743A7mFGiz1/NZ9G0zq08O2iA8=' 
WHERE 
  key_id = '51836bac3d95113ed635e60333c63f8a46da0d758bf38b191f05dc0def5d6421' 
  AND (
    token = 'GVUz7uEuQ4b/7WMWP743A7mFGiz1/NZ9G0zq08O2iA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )