UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/yL6oxXJPM7oWDK7rX32JqdJOgPqM5wKMWsLOwA0TZo=' 
WHERE 
  key_id = '2bc871a89aea5bd08816bdc582bbafb8949ef1531859a577790047b72cfd49e8' 
  AND (
    token = '/yL6oxXJPM7oWDK7rX32JqdJOgPqM5wKMWsLOwA0TZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )