UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jz0W2XefYBLe4Is6VDtyOey5DQWcUXrWKxqYobXce+k=' 
WHERE 
  key_id = 'e839b6e61088f28b0c015fd8c2d6595724229bb696c68719c545613cfbe2e615' 
  AND (
    token = 'jz0W2XefYBLe4Is6VDtyOey5DQWcUXrWKxqYobXce+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )