UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkVbjvJZAG4pZNh61RGbuHuDp4VRWMxRiqkBnko+SEM=' 
WHERE 
  key_id = '9c13a59ab43a127278162dc58676d9359251fd558dc6602ec7251255023d831e' 
  AND (
    token = 'MkVbjvJZAG4pZNh61RGbuHuDp4VRWMxRiqkBnko+SEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )