UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q3p+LphGo71e47WwFz5do5Ic8X7WTcsXYejpK84FPWc=' 
WHERE 
  key_id = '51547d5eb1a9d07cf3d899a076e761bd9d1b73d7edcf0af9050cefc9087bdd3f' 
  AND (
    token = 'Q3p+LphGo71e47WwFz5do5Ic8X7WTcsXYejpK84FPWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )