UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HJjXrGgdnLpOzsr6Cohq5fPilRaOZ0sE/EuMVxFuXFg=' 
WHERE 
  key_id = 'b455cab48d3f646d1ae3c87c4c369835dad4d11530c776adfac5895049c04657' 
  AND (
    token = 'HJjXrGgdnLpOzsr6Cohq5fPilRaOZ0sE/EuMVxFuXFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )