UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SR+zDC9w3cB9EYMYae0MjKCAqK6fdXyP0McgLAsGG6M=' 
WHERE 
  key_id = 'e09bc13cc8a76dbecc9f77940b3555dc764f4afeaef57b170269610dd0aadbf5' 
  AND (
    token = 'SR+zDC9w3cB9EYMYae0MjKCAqK6fdXyP0McgLAsGG6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032