UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rep1ZO5CJTyiZAFJ1QeEyqNo4JfUzltnlriAC/Macdg=' 
WHERE 
  key_id = '027c6bb46dd000484c078d425fc4732afe1b898cb39de0ca3ae34ee4cb9a1381' 
  AND (
    token = 'rep1ZO5CJTyiZAFJ1QeEyqNo4JfUzltnlriAC/Macdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047