UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xtftd1DaPqvtxk6BgRm8NxwUrx3nCzDRc02BW/7P37U=' 
WHERE 
  key_id = 'e51bee9f954dded361e96c16b6012851e41becc7df1063c9017e7ee38bfbc45e' 
  AND (
    token = 'xtftd1DaPqvtxk6BgRm8NxwUrx3nCzDRc02BW/7P37U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )