UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S1RneHlnrlX2Qce6fuBNwwtsoDz63kNZTwueMf/q6DA=' 
WHERE 
  key_id = '6126cd9770da82de16f5329506332eb5173cfd2ac816920ce10113be778cb495' 
  AND (
    token = 'S1RneHlnrlX2Qce6fuBNwwtsoDz63kNZTwueMf/q6DA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )