UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/vGtFA0Lu9CQm53/TVNMwYfS5aDoYQ9HsBtsnKPtd5k=' 
WHERE 
  key_id = 'f580d1ae8afef62f4a256f60eecf53b0a4824d65c52f497aee904366b4d79066' 
  AND (
    token = '/vGtFA0Lu9CQm53/TVNMwYfS5aDoYQ9HsBtsnKPtd5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033