UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UbToHZlDQIpsLMo6xvCbJg7DfXrnMbkdYAbyc5saJ5U=' 
WHERE 
  key_id = '968e37b8ead5e86d84622f54552611de9906a0998f9a6b30541ac65c6b8b0c52' 
  AND (
    token = 'UbToHZlDQIpsLMo6xvCbJg7DfXrnMbkdYAbyc5saJ5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )