UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pg6znzxn+QXq9iY2HMZNLZ0uzkuO9BQ/IwS9UEb6y3Q=' 
WHERE 
  key_id = 'a9b2f7c6b470dfd9c0433b8f5231a53b017adc13635dcc65f3b60253f206c5b8' 
  AND (
    token = 'Pg6znzxn+QXq9iY2HMZNLZ0uzkuO9BQ/IwS9UEb6y3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )