UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NnqVY6NxCyGJP+1STXDz7mVjtUEqYEhNErbbLttbtMU=' 
WHERE 
  key_id = '79515aa61df6b599fd87c06396398832ec923931132d4609bc5324ad38aa6da6' 
  AND (
    token = 'NnqVY6NxCyGJP+1STXDz7mVjtUEqYEhNErbbLttbtMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )