UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TPBJ4738TYtX7nIY6fRlg0lN6qPHl8BDDFtqwZADI8=' 
WHERE 
  key_id = '1981540a55e426a21b31a28c64d684496ff60f27511c95a51e73cdecbcf0e081' 
  AND (
    token = '6TPBJ4738TYtX7nIY6fRlg0lN6qPHl8BDDFtqwZADI8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )