UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zkw81qITby0fVPzZUWMDHz0Kq4yF7exrWxfAAoeygGc=' 
WHERE 
  key_id = '0a4d4b4cd5a2befd7adae91658aa3093929ff9ad04c9b08cb332eeffd6394011' 
  AND (
    token = 'Zkw81qITby0fVPzZUWMDHz0Kq4yF7exrWxfAAoeygGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )