UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W6/SFlxgLd4raS0qC6GqtrfYUfnooiN23axuXvjgwi8=' 
WHERE 
  key_id = '946982b24449626bc7f1a676717a9692ef38db599295801c45d2d1cc52ff9086' 
  AND (
    token = 'W6/SFlxgLd4raS0qC6GqtrfYUfnooiN23axuXvjgwi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )