UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ex4dRz0M85KEwCzKnw6nygUiVaNln7uZCfINeJv4cCo=' 
WHERE 
  key_id = '8e4d2f02f7419ea5f3cf106d38e8f6c53951806bcf10d03cfa3d32f09c4f145e' 
  AND (
    token = 'ex4dRz0M85KEwCzKnw6nygUiVaNln7uZCfINeJv4cCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )