UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VKCx9XAqU1Sjv+YyI/NfmZ0s2HsYD0E4eD1j57YIG0I=' 
WHERE 
  key_id = 'e3a9ccef446a6cf4945f43fdef2019db6791769ba7496b94c4bb7928cc89e459' 
  AND (
    token = 'VKCx9XAqU1Sjv+YyI/NfmZ0s2HsYD0E4eD1j57YIG0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )