UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kyLmkmc5j0Qh1FYIsOvuxRxK2vqeVPHcJEsHKA0si6w=' 
WHERE 
  key_id = '6f4b10d84d76fe07992fb2ab69b50cc77deac9bad1d00a39ac1053f72db9e541' 
  AND (
    token = 'kyLmkmc5j0Qh1FYIsOvuxRxK2vqeVPHcJEsHKA0si6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )