UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bvkqWylQaIwULAuksKTiUQMreBReBFz1CtJGAx32JAs=' 
WHERE 
  key_id = 'c976d8c2ca693e63518d013b287327c6fcd87fe93fabcde6063d810b5c429785' 
  AND (
    token = 'bvkqWylQaIwULAuksKTiUQMreBReBFz1CtJGAx32JAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )