UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6t4viJrLJ3rFj/mUPloqR20/7RPCQXmcBSH+UYwqtVM=' 
WHERE 
  key_id = '3cd9e93e47ffb80044aca0edf130e2fb665dd7ae2e74d41caaf31547f16dfb0f' 
  AND (
    token = '6t4viJrLJ3rFj/mUPloqR20/7RPCQXmcBSH+UYwqtVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039