UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9hY3W6k+f/TpvxhKx1N+DCcyT1VpNlYpvp5g6re2Xdk=' 
WHERE 
  key_id = 'a13dc23ebfa795aa470f733b769d1fbebe8c6b78d51c0216976de9194c343518' 
  AND (
    token = '9hY3W6k+f/TpvxhKx1N+DCcyT1VpNlYpvp5g6re2Xdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029