UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O2EgXt2RtJKfnFSbGVRbIejM28lp1h2BnJFHcoJEVXg=' 
WHERE 
  key_id = 'dfe134844fe2e876430f2650f3000509613ea3b135998c660efbce71f961c487' 
  AND (
    token = 'O2EgXt2RtJKfnFSbGVRbIejM28lp1h2BnJFHcoJEVXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )