UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HDigtk3mDxqIG7cNjbKeUDOLDRx6nY/iqX5lO62q9DU=' 
WHERE 
  key_id = '77520d35c45f49f5e2a499d7db33466fb47c7a8538f402baa72c71217436c5c8' 
  AND (
    token = 'HDigtk3mDxqIG7cNjbKeUDOLDRx6nY/iqX5lO62q9DU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )