UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TD99D1TTkYh/V5bDcOdFHAjG5rZn5wyRwxDt++RJ/WE=' 
WHERE 
  key_id = '7d8faf0a3ada190a6ae35d0d6eef046eeee9b4d7c2bb2e568172862a516798c3' 
  AND (
    token = 'TD99D1TTkYh/V5bDcOdFHAjG5rZn5wyRwxDt++RJ/WE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033