UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Su7U6ajwk2uNhmuSZLQVVNhG5WOxPr48OIT/MPCA1Gc=' 
WHERE 
  key_id = '51fca4679f36959df3de479ebb75bd4fb931ea85e2bd871444a873e206d27261' 
  AND (
    token = 'Su7U6ajwk2uNhmuSZLQVVNhG5WOxPr48OIT/MPCA1Gc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )