UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vtT3xeuxHzzTFKiCq4YeTXGQV4rKA17gd45G6Oh8C0=' 
WHERE 
  key_id = '1a3ec4ca826bd97dc2f284e367a3e4af7b0f5c2e4cc5fafc3c039f385cf4cbcc' 
  AND (
    token = '5vtT3xeuxHzzTFKiCq4YeTXGQV4rKA17gd45G6Oh8C0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )