UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EkVvzRw3mUK+0UF4gMP/S5vgkIbvc0YgM7miexKEwbU=' 
WHERE 
  key_id = '81129905088bfb774cda5ff23696c76a83c68ee4de5574ec96d63ba15d8daaca' 
  AND (
    token = 'EkVvzRw3mUK+0UF4gMP/S5vgkIbvc0YgM7miexKEwbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )