UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c0XA4g0wv7eAqTQqT6gKjDfxfnRdbpu1GRtThCa5j18=' 
WHERE 
  key_id = 'b53e737f25ccf9f5a3b39467949047965818ce3a13f6b8860bbb5bda6de56c7b' 
  AND (
    token = 'c0XA4g0wv7eAqTQqT6gKjDfxfnRdbpu1GRtThCa5j18=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )