UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kZ9RD9C/MNXO4vrvow7mbMqsGPzdPEqoIUZ+g48egVc=' 
WHERE 
  key_id = 'f5b48bc835e3b7d90e137bf40bde0cc6fa1975cea6e0a8a00b94cf29b4dc1178' 
  AND (
    token = 'kZ9RD9C/MNXO4vrvow7mbMqsGPzdPEqoIUZ+g48egVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )