UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WoxT5nRr1UvOjICZhAbaQOcuDPhR/AIfaR3LLqCQJM0=' 
WHERE 
  key_id = '939acd741332566cd7d50e1ad6aa37764b902442ea717870f5d6ff22c96974f6' 
  AND (
    token = 'WoxT5nRr1UvOjICZhAbaQOcuDPhR/AIfaR3LLqCQJM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )