UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DmCYiVysCQ8yGaxDXxua9krZzue3A96igaLeo8yNXuo=' 
WHERE 
  key_id = '17fda8bce2e0f95fa92d4b24b003551572819a915fd6be14b057f082753f8cfd' 
  AND (
    token = 'DmCYiVysCQ8yGaxDXxua9krZzue3A96igaLeo8yNXuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )