UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEMtXVmUA5zJPv8IakgjkeWQx9P0FwNjYryyhbw7SaY=' 
WHERE 
  key_id = 'ed13f8dc25a4adf670c4291c503561314347b24cc95480e96f18752d9672458f' 
  AND (
    token = 'MEMtXVmUA5zJPv8IakgjkeWQx9P0FwNjYryyhbw7SaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )