UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PHy51zqbK9+rUOwSRWoKrsBEByj3CoXpjLmIOHkVRwA=' 
WHERE 
  key_id = '5541db46c8cb6763c72f1196ea75786f4d01775506e62a71baf59dce0f47298f' 
  AND (
    token = 'PHy51zqbK9+rUOwSRWoKrsBEByj3CoXpjLmIOHkVRwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )