UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uVreg9l41juhtPKfzGGr8h/DYBGfu2pOozEAcE5foPk=' 
WHERE 
  key_id = '81b0f3c420cb651e516e40cc9adcf752a686ac5bf4c1fcd18896b074106ae38c' 
  AND (
    token = 'uVreg9l41juhtPKfzGGr8h/DYBGfu2pOozEAcE5foPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )