UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yScl+4P+meMjXhT4eK3/883Lh1cSJbHY+rrSsd6nXu0=' 
WHERE 
  key_id = '40da799e9e826bc3eff3414bb546d8cfc20510a0028e0e3e9df62b9327ef8714' 
  AND (
    token = 'yScl+4P+meMjXhT4eK3/883Lh1cSJbHY+rrSsd6nXu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032