UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '17DA7s8WPUTENGRMPEroozQTjNsDBBJfiGPBzl17DYk=' 
WHERE 
  key_id = 'ab4f126419825ba021c36439bbbb9ead9fa3ce5e0e9e53c680be641b201321b4' 
  AND (
    token = '17DA7s8WPUTENGRMPEroozQTjNsDBBJfiGPBzl17DYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )