UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WQdc5E8hrzb+wlXLU3lE10xww0CutrQ8XdhMug+pEK0=' 
WHERE 
  key_id = '749ea97e3bc9e481604182180f43f832a287a85a2e2a996bf4c9f4c87a533d4d' 
  AND (
    token = 'WQdc5E8hrzb+wlXLU3lE10xww0CutrQ8XdhMug+pEK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )