UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't2E2O12zRR6snzNAd1XOmaNvHuFyBlG+0QwMr2v01/c=' 
WHERE 
  key_id = '6e9d2a7de34b60e801846be601ba1c78474d0f5df0c7a46f031d2b11afd7c37b' 
  AND (
    token = 't2E2O12zRR6snzNAd1XOmaNvHuFyBlG+0QwMr2v01/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )