UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NCGqQyVhx0WTRFoFPgFBJY6C+MmvGoHTXM2XbB1VDkg=' 
WHERE 
  key_id = 'b4524c2cfd632655dac626bcb93324c5dc131d29a74e39b7c0fc34aefc3748e7' 
  AND (
    token = 'NCGqQyVhx0WTRFoFPgFBJY6C+MmvGoHTXM2XbB1VDkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )