UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mHz/hMP397faR+xyn+2sv8rK5b2iorMi6H73NPw8bMM=' 
WHERE 
  key_id = '8ef26f272940933cac1b2ba8bea782b18819892b1f3498f335c55c2b16746021' 
  AND (
    token = 'mHz/hMP397faR+xyn+2sv8rK5b2iorMi6H73NPw8bMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )