UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WZ8/dxKAXp/HjSe0/5BYw5Kiad9x8iGNZNakc+W+G24=' 
WHERE 
  key_id = '4593d9062f971078322f7d01c255043a08c1bc1a679e8f9fc7f7b30c6408e0ef' 
  AND (
    token = 'WZ8/dxKAXp/HjSe0/5BYw5Kiad9x8iGNZNakc+W+G24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )