UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/n51119tPqh62wp4eybHVNIhDSlOBEWOfvAjWoUex1I=' 
WHERE 
  key_id = 'ac9b0596f1c89e3b7fa341ff66b7ab41a13388b1ce3f11814277c31482fe9f49' 
  AND (
    token = '/n51119tPqh62wp4eybHVNIhDSlOBEWOfvAjWoUex1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )