UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Q+Is2VzMCab7kysGmcW6fwCcSmGEyHMwWep3NBGaOYg=' 
WHERE 
  key_id = '8a43e8a320eea85d9f794cef9232a0658bfe6f0e5d167c106dc09b30147ea471' 
  AND (
    token = 'Q+Is2VzMCab7kysGmcW6fwCcSmGEyHMwWep3NBGaOYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )