UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQPZnb+XMbTXHWAYqE6dkcNkuTyT5xOyi8UD76CTqxA=' 
WHERE 
  key_id = 'b94058c3a292cd49888bcc337a1f233ad4d1974de661fd6e43bc2f0af363770c' 
  AND (
    token = 'xQPZnb+XMbTXHWAYqE6dkcNkuTyT5xOyi8UD76CTqxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018