UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tx8Vsva2Br08nFS5kQ+8IBqOt+3bFzAPSU/fBsutvAk=' 
WHERE 
  key_id = 'b8e33dd6a900ccf8a08b907eecf9333c7bed67c4a22a14c54528f7c9bd66d419' 
  AND (
    token = 'tx8Vsva2Br08nFS5kQ+8IBqOt+3bFzAPSU/fBsutvAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )