UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8kMVdVRRc7ZW7iiWDU72hYj/fDTX0ChEROwS9+xTr4=' 
WHERE 
  key_id = '3c1647d3ba9de427a050d7dcfd427bd121ea275bc6cabf4e0b2e8fe81dc1b88d' 
  AND (
    token = 'k8kMVdVRRc7ZW7iiWDU72hYj/fDTX0ChEROwS9+xTr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )