UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hYljbGS8dJyFoaZgWWLTHk8jkEvSbT2tygx/7sAbxaA=' 
WHERE 
  key_id = '50c99cbaeaca386d6fa27e59e3b29ed2668940e76f7c4f1e57d2a4cee59df000' 
  AND (
    token = 'hYljbGS8dJyFoaZgWWLTHk8jkEvSbT2tygx/7sAbxaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )