UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxnKYq6oTZFQo//fNvOqVg5/IxRvRqyf6s+HVVheTNM=' 
WHERE 
  key_id = '979b421f0260e358704553fcf162177bbce3c6ee2c70e90f9d1eec42a75656d1' 
  AND (
    token = 'mxnKYq6oTZFQo//fNvOqVg5/IxRvRqyf6s+HVVheTNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )