UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jvB6LwiVr8DBc4jf7s4KxAe2763rqSBsHa2gVPoVIEo=' 
WHERE 
  key_id = '81801ab988f8d8fbc9ccbd379c5f1e9c973097f359c655713f976f2e92af1bea' 
  AND (
    token = 'jvB6LwiVr8DBc4jf7s4KxAe2763rqSBsHa2gVPoVIEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )