UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '20gTCSt0tEPuTlnwwwVXSjJd3WKRbS+q0hQEVW8IfJk=' 
WHERE 
  key_id = '6b20409af3e6aadbe5f5cfe4ae295a528798e04879296bafbdc2f43a145cd4c3' 
  AND (
    token = '20gTCSt0tEPuTlnwwwVXSjJd3WKRbS+q0hQEVW8IfJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )