UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kg897WcdquejcJNjNQyKHyDzU0V2I2KEWbm5eWN7t7w=' 
WHERE 
  key_id = '6450ff518d64ca6dd3a2ea73e012c096202aa38a2bcac32e83379712b1f21494' 
  AND (
    token = 'kg897WcdquejcJNjNQyKHyDzU0V2I2KEWbm5eWN7t7w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )