UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jvuDrHx9ckXoZEodfOuBpyaMWfenGUa3YKjts/PfwSI=' 
WHERE 
  key_id = 'fe755519b008e0b04701875990c64d4036de67ca0a7690077dede7938eefe989' 
  AND (
    token = 'jvuDrHx9ckXoZEodfOuBpyaMWfenGUa3YKjts/PfwSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )