UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bj3STDte6QPXr6wJFg/WY93EjkXdbas+/H09VkVFkec=' 
WHERE 
  key_id = '187df4d8a94724ae8098b4040209d2bf6b45752d7c6b4ac837855a95b11aac10' 
  AND (
    token = 'Bj3STDte6QPXr6wJFg/WY93EjkXdbas+/H09VkVFkec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )