UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCh0jbARPiu5tHTBYkrwS3wy3UtbGIlMJHDPg2KM2cE=' 
WHERE 
  key_id = 'c88f18dca9b6cca395822af6b3f2c6a8adaf2e75f27999971408ad8f88cdd4c4' 
  AND (
    token = 'RCh0jbARPiu5tHTBYkrwS3wy3UtbGIlMJHDPg2KM2cE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )