UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+wurtPs2rBr+aM/kzcYxwVylY/VWMW6ShJlZFldCMUQ=' 
WHERE 
  key_id = 'feca75f5b65b18850276819c4ee2cb6dd1850b301a492a483bdc02176592e390' 
  AND (
    token = '+wurtPs2rBr+aM/kzcYxwVylY/VWMW6ShJlZFldCMUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )