UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kwR/QwrKu8eQp7SzBGP65plZM18i6Qsu7hfgQBPzY4Q=' 
WHERE 
  key_id = '6d263c27cfc0473e756e609f5a0db4830638659a4b36b5770f457370b9362978' 
  AND (
    token = 'kwR/QwrKu8eQp7SzBGP65plZM18i6Qsu7hfgQBPzY4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )