UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xBmGhonzjL+bMSoe4gdzLyFlFiHtrOp7lrMgViYt2Tk=' 
WHERE 
  key_id = '81b543ea65dd48f6bdcea0d08fb713d738feb45f1322358fd1a42396db99f46a' 
  AND (
    token = 'xBmGhonzjL+bMSoe4gdzLyFlFiHtrOp7lrMgViYt2Tk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )