UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wdfOGP+lbNy3Awd9D0ScyRsTCirKg4QUZDjUam2p/dY=' 
WHERE 
  key_id = '50c2339c9d536bf00fdc32e81fe81602230fa45bba051e73eaffcb7e1edcbb77' 
  AND (
    token = 'wdfOGP+lbNy3Awd9D0ScyRsTCirKg4QUZDjUam2p/dY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )