UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iP2H5yXLfKh7pLNgtAJMjRumQcfB/FZNV5qHKMQz2cA=' 
WHERE 
  key_id = 'b51183e29b460ba6b01206b76a85b942eb7391f23ef88f3024c91fa60a7cc78c' 
  AND (
    token = 'iP2H5yXLfKh7pLNgtAJMjRumQcfB/FZNV5qHKMQz2cA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )