UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sg5pY4J+pHIc4mVk07Lv6ceqQmzJri+simqU6woBw8M=' 
WHERE 
  key_id = 'f82a1d148b86fdda21778ba3a293133f66b2ebd4256fb40be2d22bc0be67d5ef' 
  AND (
    token = 'Sg5pY4J+pHIc4mVk07Lv6ceqQmzJri+simqU6woBw8M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048