UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Wtm6UwjJ6q7fxs3qwJ+r7WWqVSGxjZy3gbj6sM6iJQ=' 
WHERE 
  key_id = '9b6245ecd46707914afdd6cb498e121cd3903debf6174e2c183582c7d8de3c44' 
  AND (
    token = '+Wtm6UwjJ6q7fxs3qwJ+r7WWqVSGxjZy3gbj6sM6iJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )