UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fFoSa19dxiK3Xe/JOKRbz9WbmF3/IqOkYSxHwx70chU=' 
WHERE 
  key_id = '6a4d1dadd688eceb1601a46a4316405e0311d96cfde98b779d79ae779f91fcde' 
  AND (
    token = 'fFoSa19dxiK3Xe/JOKRbz9WbmF3/IqOkYSxHwx70chU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )