UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pnkw6WiFzPm5betXGHGVxivBPHDFwVyGXl6igID3rqg=' 
WHERE 
  key_id = 'f1c2a2101b0daf3fded95790c8875392ab83f3e41d7e8be4d5923547c98518b4' 
  AND (
    token = 'Pnkw6WiFzPm5betXGHGVxivBPHDFwVyGXl6igID3rqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )