UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RdL697qUPJqqJvCB8WHJ502zBp33yQkkcIcv4y9UvBs=' 
WHERE 
  key_id = '6639f9adea447d392e393d234a6a3758f57e9a05bdad2f473023a573e15ca5bc' 
  AND (
    token = 'RdL697qUPJqqJvCB8WHJ502zBp33yQkkcIcv4y9UvBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )