UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8mhl0FnuNfqd5/5FCnJHz7mQaKT7EjGlYMW0RNL2kQ=' 
WHERE 
  key_id = '28902561d846c05319e8d5c727d2ae3e5919423f869d1702d41daba2014e4026' 
  AND (
    token = 'b8mhl0FnuNfqd5/5FCnJHz7mQaKT7EjGlYMW0RNL2kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )