UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6dNFDOBUocImzl8lhk+LVIfHs8iQhzKlBOaMfyC1Lk=' 
WHERE 
  key_id = '31cd8bdebcd8cec2b95d53451e08be3a884f90ca04ef2ea09eecce0602f5133b' 
  AND (
    token = 'z6dNFDOBUocImzl8lhk+LVIfHs8iQhzKlBOaMfyC1Lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )