UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F3kqNzY+e2v3T45uL5+VQ94fAbgoqMo4mGRdyWWBuzI=' 
WHERE 
  key_id = 'c8a165f5b10401ff8a324e0deff6f8222d7394846111fbb9a791c55b8a456021' 
  AND (
    token = 'F3kqNzY+e2v3T45uL5+VQ94fAbgoqMo4mGRdyWWBuzI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )