UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qvDKS4slauUFEA0EeNlpRtWNiX7mhGwaLDBqBlihQ8A=' 
WHERE 
  key_id = '3fda4dac5b82dd5ef3382828879f07765f35490f78da53b063a7f762645a23fc' 
  AND (
    token = 'qvDKS4slauUFEA0EeNlpRtWNiX7mhGwaLDBqBlihQ8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )