UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gx9iQ31DIueYEfVTH+ABCYievpqm+IWbe9fv76aYEAU=' 
WHERE 
  key_id = 'c764a89ea48099d5850ab84b2e1de2b93fe69ab0970b39f64a79eba67df82017' 
  AND (
    token = 'Gx9iQ31DIueYEfVTH+ABCYievpqm+IWbe9fv76aYEAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )