UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xFktyG0zOFeLOgv90YCRqVrgOFHNACCn0NlDgVkBGM=' 
WHERE 
  key_id = '7cad349ea7785b9997527e9a0ee3cbf066df5614d875c79d9f55816a98a0b193' 
  AND (
    token = '/xFktyG0zOFeLOgv90YCRqVrgOFHNACCn0NlDgVkBGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )