UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SI5f/Gn1t4CzJdM/1ni+KgD6VxyGJa0fkOQFqGe0BMQ=' 
WHERE 
  key_id = '6d62361b7d9ad207a9f08b303ca81d00a465a8fee98862191be160199a87a7e2' 
  AND (
    token = 'SI5f/Gn1t4CzJdM/1ni+KgD6VxyGJa0fkOQFqGe0BMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )