UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CGhi//xCe+ZXPbARsJIdZslaUj7OD1NSYmWXqCLDzyg=' 
WHERE 
  key_id = 'c9b6e40d4410959d19aced5e5999a83ba7077ba9facdfee7470e7a3676eca12a' 
  AND (
    token = 'CGhi//xCe+ZXPbARsJIdZslaUj7OD1NSYmWXqCLDzyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )