UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6EyXaQIb0w11on11biwuKeL+DXzG9cQLNcul8IYSMw=' 
WHERE 
  key_id = '20dcaa59d4a310cbb5664b746d61b6b9d426b890c96e625002ae1b557c0526e9' 
  AND (
    token = 'k6EyXaQIb0w11on11biwuKeL+DXzG9cQLNcul8IYSMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )