UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MeTNQzGEdDtvlkhM6D9dAaUYVloP/C2EVAF5MmY6Ms=' 
WHERE 
  key_id = '6a83fc68e6d8f0deebee6e147d581a14d564029554da95468a517a2b861fd6e9' 
  AND (
    token = '4MeTNQzGEdDtvlkhM6D9dAaUYVloP/C2EVAF5MmY6Ms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )