UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUKW6IOxLqWqgB19+ZYBLvZnlaQzYmYXM336qdTsBFY=' 
WHERE 
  key_id = '5020012130f128394351948e493321d294109f2e5b297ce73f5e498c7eb4ae10' 
  AND (
    token = 'MUKW6IOxLqWqgB19+ZYBLvZnlaQzYmYXM336qdTsBFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )