UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JCVCjhuS6//1aodAFX4rDZ6ScK79kgUgVohGwuFn+OQ=' 
WHERE 
  key_id = '60f8d58fd989a5d4512f464c818903ff1c2efa3d12079641734e0a0c0574d264' 
  AND (
    token = 'JCVCjhuS6//1aodAFX4rDZ6ScK79kgUgVohGwuFn+OQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )