UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qTrM4dDB1YzKO+PfQCqTXYzoNTIFVcrrNdJS6iaxExY=' 
WHERE 
  key_id = '826ab415b2489ab982ad18d78d34b75246faeaaa1b2c32e1387897454e81055d' 
  AND (
    token = 'qTrM4dDB1YzKO+PfQCqTXYzoNTIFVcrrNdJS6iaxExY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )