UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BurDtDiNx+vD8vnXRm8CKBLjBgt7zdcouNBdukOg2sM=' 
WHERE 
  key_id = 'a14ef384c1df917221f6a6fb32098605c52f3ffd3d9c72432ac920de6794c5db' 
  AND (
    token = 'BurDtDiNx+vD8vnXRm8CKBLjBgt7zdcouNBdukOg2sM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )