UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9Mh0W9BHeyMuxbJpwGMPDW4sbGwKD+N6tz6JJyS8ig=' 
WHERE 
  key_id = 'a4f2b174ae260de8e4b93f2872c91386290d4837c22281460a32b32acadec0cf' 
  AND (
    token = 'n9Mh0W9BHeyMuxbJpwGMPDW4sbGwKD+N6tz6JJyS8ig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )