UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5AWIYL/Pq9O/gCo1jPlMC1f7jnCq7tZsHzwITUZwRY=' 
WHERE 
  key_id = '42f7981cf0228cb759363ad03ab7d69a044e667ed104ca53b578a8a41bfe256a' 
  AND (
    token = 'a5AWIYL/Pq9O/gCo1jPlMC1f7jnCq7tZsHzwITUZwRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )