UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ar3n0E8bDEABN+ZdjGpEUc0c0yj0zm0M3SLzvIewlQ=' 
WHERE 
  key_id = '51e209a29364a1f2d62fde027f58de3a49861f4a71507604dfcbb001470c3fff' 
  AND (
    token = '4ar3n0E8bDEABN+ZdjGpEUc0c0yj0zm0M3SLzvIewlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )