UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RZW0BjYPJphO2CQYLIAQWIVKmWXPg8gEfKaajSIk6M=' 
WHERE 
  key_id = '511d0d3b938ec4f42b9fd1840a068c1a2e3280cebfd3114c887d1dd77d5986ae' 
  AND (
    token = '6RZW0BjYPJphO2CQYLIAQWIVKmWXPg8gEfKaajSIk6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )