UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SvQ/nGzimfY6XVj3E4UHuZwW5RgWGJ1ZJxN7IyO1grE=' 
WHERE 
  key_id = 'dc6fed0b741fc9a9b572e29baa0fe430b51413f889501da466c8f3dd9967c6f8' 
  AND (
    token = 'SvQ/nGzimfY6XVj3E4UHuZwW5RgWGJ1ZJxN7IyO1grE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031