UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RFmP8MQR0n95Po+nZ6ivURIQFQunLqMoDjWyCsJ/fzU=' 
WHERE 
  key_id = 'a6c3050f845fda7ce75fef9dc4716d8b0f6cb1149e97302415d1ca97879918dd' 
  AND (
    token = 'RFmP8MQR0n95Po+nZ6ivURIQFQunLqMoDjWyCsJ/fzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )