UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3CFmeOcqrSl2DrwmB7kdhVjfe7qMqeeevjhfGhN3zcU=' 
WHERE 
  key_id = '81e721ee889974e52543e0a0d6a3175a72cf342a5a6a72e1a548a3ee510c0f35' 
  AND (
    token = '3CFmeOcqrSl2DrwmB7kdhVjfe7qMqeeevjhfGhN3zcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )