UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7+RMmawrGoPEg9sOBQYmos3IhIGZuu07O+ImTmZLAoE=' 
WHERE 
  key_id = 'a851e3b91737117fea2e91a8bb449e05142790fbf7095e6c8146f3b9517ce8f3' 
  AND (
    token = '7+RMmawrGoPEg9sOBQYmos3IhIGZuu07O+ImTmZLAoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )