UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pOg0hBPgjH4MpueVFtWzGGBVe3p68kLCCWcFFYIXnNY=' 
WHERE 
  key_id = '0d40fdc7ef5084af94da560a92b30350806e6c368b299a1edf9f6363faf961a9' 
  AND (
    token = 'pOg0hBPgjH4MpueVFtWzGGBVe3p68kLCCWcFFYIXnNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )