UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D9GvsjltWDqQD1aXAgrpLmvLpN2QYvK4X3OBmxDGHLA=' 
WHERE 
  key_id = '6a1c21f6717b0757dd5df496b629b7f5aaeb74693c33b27236d0dab04af21a25' 
  AND (
    token = 'D9GvsjltWDqQD1aXAgrpLmvLpN2QYvK4X3OBmxDGHLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )