UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W8RdiTdoZvH9veKTA0rKm1XChbdi7D7gUL9SLWDGHq0=' 
WHERE 
  key_id = '8ed827457ee6e039d81c82b43a3b3a435b9d45ec268ef03b2ebd1580263fb21b' 
  AND (
    token = 'W8RdiTdoZvH9veKTA0rKm1XChbdi7D7gUL9SLWDGHq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )