UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ucWllo9PCXgcOOo63As5C3jgL3UtGEM7oXazKmygxEs=' 
WHERE 
  key_id = '6a5194e420d7bd860c1a2dd29139d9ac4b1b0f7917bca653097f6f741d98e62f' 
  AND (
    token = 'ucWllo9PCXgcOOo63As5C3jgL3UtGEM7oXazKmygxEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )