UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pdRYSzoKj0R7j+r0KZfUp+x5/XOdX499Ams34nu1VMQ=' 
WHERE 
  key_id = '46c7f9fc19727bb784f0a0a91265f025c048c1f53b4b0e06250d073a5a3adf7e' 
  AND (
    token = 'pdRYSzoKj0R7j+r0KZfUp+x5/XOdX499Ams34nu1VMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )