UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wj4eUMdJG3YlKlZ7g2rkBM67Qge+nZo8D2hsBhnpUbE=' 
WHERE 
  key_id = '1cae791b6f2365ba6c4e05af1b8dcbcb5cfebdc73e6f0520b66cbab5fd965214' 
  AND (
    token = 'wj4eUMdJG3YlKlZ7g2rkBM67Qge+nZo8D2hsBhnpUbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031