UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iL99gWwHHApeo1eV/STUUNoivsGXJjfcu5EwRjvBQlI=' 
WHERE 
  key_id = '938cbf89b4d1bb9aef63226033710f7f2235ffba9269d7846ade1f2c2f5c4664' 
  AND (
    token = 'iL99gWwHHApeo1eV/STUUNoivsGXJjfcu5EwRjvBQlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )