UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGr0xWpK9ysQWbd7o6uPoczYMqWC09UAnQUFxmZ3Dx4=' 
WHERE 
  key_id = 'b9e7acd94c42abe2bae7651d890f54451fa3dddab451ca1f1ff4345812989458' 
  AND (
    token = 'zGr0xWpK9ysQWbd7o6uPoczYMqWC09UAnQUFxmZ3Dx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )