UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5Zz4hKIJ2vPrhzbL+y9hFeLIiJw/QeBuCBtm3KdM0k=' 
WHERE 
  key_id = 'bd7453d425c25ac105cbe04b4b3195f633e35af84268081da6d6ba5ab1bfc5fa' 
  AND (
    token = 'n5Zz4hKIJ2vPrhzbL+y9hFeLIiJw/QeBuCBtm3KdM0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037