UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8U6/jgbFUp+1ml/Tk+d+tiKWb3XLh8YBn08eXWbUbY=' 
WHERE 
  key_id = 'c8015c90e2a3bb0127a44ebdceabda8521ed5393bba92baf64496d54398c40c0' 
  AND (
    token = 'k8U6/jgbFUp+1ml/Tk+d+tiKWb3XLh8YBn08eXWbUbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )