UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6CGi28C2P9MLvhOvnl3u+9kSH2qKj8f7LO4BQnKQgY=' 
WHERE 
  key_id = 'afce7412027f86c7084b74d1bd44c0f0182224348a5426ce57fb7d59453135ae' 
  AND (
    token = 't6CGi28C2P9MLvhOvnl3u+9kSH2qKj8f7LO4BQnKQgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )