UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2GPsutLyu8KSdXp/vgqbfHS/ECPh0Je0ct4rmswDlT4=' 
WHERE 
  key_id = '55f9747e56cbc51fcb5da35b04a8b94a058998b56c35b4e46ad3091b03cf5bb5' 
  AND (
    token = '2GPsutLyu8KSdXp/vgqbfHS/ECPh0Je0ct4rmswDlT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )