UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vEcN1PWBSg9NOYaVG95la0kD6fkASur84zG+vcnUzXw=' 
WHERE 
  key_id = 'e9e3265fc1c81ce629d83721c3391efc41496e1310bc331adb7fef8976cddb5c' 
  AND (
    token = 'vEcN1PWBSg9NOYaVG95la0kD6fkASur84zG+vcnUzXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )