UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNxZZ/0OaL6cTSUmVGT9kQvYLDr0pyRFDVUMuzyJ/mI=' 
WHERE 
  key_id = '70dc36f98e7470fb352142f676f752b3acd1853b5f998d2e8538a3b6eea2c57a' 
  AND (
    token = 'MNxZZ/0OaL6cTSUmVGT9kQvYLDr0pyRFDVUMuzyJ/mI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )