UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7jLRj6ZIRyPOWCoLUtQngDGaSxSdOj70zEGazZq5llo=' 
WHERE 
  key_id = '7936c703ecef56e91aedf37958404a82cdeaf4a088de49ee91f999f542ad588f' 
  AND (
    token = '7jLRj6ZIRyPOWCoLUtQngDGaSxSdOj70zEGazZq5llo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )