UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vMUvY567oKsdTqlYn/FuuaXmcZKEHcq/Y0u0Xn1OhlY=' 
WHERE 
  key_id = 'aaf675a58e9908eb6e2e05db6b66447aaa64fecf536336ca9c0e00c603fb0545' 
  AND (
    token = 'vMUvY567oKsdTqlYn/FuuaXmcZKEHcq/Y0u0Xn1OhlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )