UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't34+izr79jojhJTkv17tNcck2stRazcsxi1KbL6cHqE=' 
WHERE 
  key_id = 'db8b0dbf246b6f71f25d8d2c2bdaab0cb9664fa17bf67bd62c52a5988994667b' 
  AND (
    token = 't34+izr79jojhJTkv17tNcck2stRazcsxi1KbL6cHqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00013