UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xk5LrsejQn6Vh00vE8yHTml603e8oYO1yNQtXQLC9tc=' 
WHERE 
  key_id = '6e912f4e4c78a2bb488878980c8053f07916d070234c03287070a67dd5f116ba' 
  AND (
    token = 'Xk5LrsejQn6Vh00vE8yHTml603e8oYO1yNQtXQLC9tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )