UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uQ+R42PsIYaGN0RgqmffOice3s4KJVH5WIbNGIz24TE=' 
WHERE 
  key_id = '68f6dd94d1b3f962d72f7cd212bf4ff71e928fcbacfb8a3232c888f4cb9dd2cc' 
  AND (
    token = 'uQ+R42PsIYaGN0RgqmffOice3s4KJVH5WIbNGIz24TE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039