UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lmkd+sgBxebfT1XR0fFlJuW96JK9CElXgmtBSmz4Wms=' 
WHERE 
  key_id = '4adb25b58f708fd2abf6072b0eb651400583c4cadeaad69cd26836d3452df48b' 
  AND (
    token = 'Lmkd+sgBxebfT1XR0fFlJuW96JK9CElXgmtBSmz4Wms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )