UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5uRk2YEXfp4T/1eoH9ukkZUPy54u3ycTEL1JcjqzJE=' 
WHERE 
  key_id = '4aa29e1197fa85d0ad3db2ca715c48550bd8c663dd515841d291c1b225798733' 
  AND (
    token = 'a5uRk2YEXfp4T/1eoH9ukkZUPy54u3ycTEL1JcjqzJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )