UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/CwS4l0Lbq5zhAaXiNtXQh1rED41syqBFqSpirz5ESM=' 
WHERE 
  key_id = 'cd00046c27217199a42dc6ebe2de7bc6c4af3f868ea846b50bc0e0e11891c811' 
  AND (
    token = '/CwS4l0Lbq5zhAaXiNtXQh1rED41syqBFqSpirz5ESM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )