UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6WBkZFzVfLE7WwPO74TvswvoRbGnzvnihKYmetuC3Y=' 
WHERE 
  key_id = '55ac54a3d74122128ccb41bdb52c70eff99da059629625c602e1ba5d51675f58' 
  AND (
    token = 'D6WBkZFzVfLE7WwPO74TvswvoRbGnzvnihKYmetuC3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )