UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DBr2IdH1gqgJPtRHLf8BRQf9sUTcLwm9ZDHT4H9R+rc=' 
WHERE 
  key_id = '56c30868be06f2fd1936db62ab0afef0d244df19961a4c030e591a17a580326d' 
  AND (
    token = 'DBr2IdH1gqgJPtRHLf8BRQf9sUTcLwm9ZDHT4H9R+rc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )