UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3IutQZy71YXfj7wpylTjc37n9YJkYOqkCKBmqrzBOc=' 
WHERE 
  key_id = 'e31874109658cd7b52da5f9a15bfff0dbad44fecb4be05a751b6594c158f1268' 
  AND (
    token = 'a3IutQZy71YXfj7wpylTjc37n9YJkYOqkCKBmqrzBOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )