UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PxlbLM4ZwlaIf+aLlw8YhBl1gcpzBtPIuofloFqGpc=' 
WHERE 
  key_id = '9e27834c3467e53a8ac77a506e6b28d86f06120925c8280e4a7916bc2d50778c' 
  AND (
    token = '6PxlbLM4ZwlaIf+aLlw8YhBl1gcpzBtPIuofloFqGpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )