UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wwN/N89dfZqRKwMr81KwfA0hJruCq5jSLYUfogDkNIU=' 
WHERE 
  key_id = 'e195cd59e77de2a36dcc5c0651fb7f91305f22f25faee60ab3bbb530bcfa27c5' 
  AND (
    token = 'wwN/N89dfZqRKwMr81KwfA0hJruCq5jSLYUfogDkNIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )