UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'avAgkjC2SBh4Sb83cPVUgSSf8NgJASDCMvTddjVKAg0=' 
WHERE 
  key_id = '8f7d5791f058e88bcf8ab1c872434bbddfecfaebbaf3f1f16455f43059edd411' 
  AND (
    token = 'avAgkjC2SBh4Sb83cPVUgSSf8NgJASDCMvTddjVKAg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )