UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XpgtVxWMcE8koi8Gt47A9SwFmwTy+qJbthfCfTC1070=' 
WHERE 
  key_id = '21cddcb64470cd979cb8ae64d6674e7407e2e747ed78a9315932ac9a236bace8' 
  AND (
    token = 'XpgtVxWMcE8koi8Gt47A9SwFmwTy+qJbthfCfTC1070=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )