UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '604MEPjyljkKMic1aP6l2Az4d9bG7+x492U/IPSbPdg=' 
WHERE 
  key_id = 'e435c6b1a852f132f6b969565e63b844337447668bc7af7485d5ae92735323b3' 
  AND (
    token = '604MEPjyljkKMic1aP6l2Az4d9bG7+x492U/IPSbPdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )