UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'clnA2T3+YEot3gvP481bKa5JbX2lLlVw8eRwX5sheL0=' 
WHERE 
  key_id = '1096581bd04a45978b544312ab165a9542a62397a46c57caa2a3826c4582cc61' 
  AND (
    token = 'clnA2T3+YEot3gvP481bKa5JbX2lLlVw8eRwX5sheL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049