UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D/b0sm+uWy8HLsb5A8w+R6fugKWq+kpTi+1tDEjyA7E=' 
WHERE 
  key_id = '815541dde71f1dd8b941669d65a1c6f2b0d39a87fb64bef013c2b7555f5b719b' 
  AND (
    token = 'D/b0sm+uWy8HLsb5A8w+R6fugKWq+kpTi+1tDEjyA7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )