UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qUsVRkUi9amHt1IzDTsh3JK+rxQFYe8MQwYg0iSIjWo=' 
WHERE 
  key_id = '768457bee52983d9ff4f8d15d461f187a79d60b6e213e7418b54dbc3acc0ff42' 
  AND (
    token = 'qUsVRkUi9amHt1IzDTsh3JK+rxQFYe8MQwYg0iSIjWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )