UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdk5fKeSmJd1L48KMDTgZC99pLJRLZYV/IrxIVkEnL0=' 
WHERE 
  key_id = 'cf5d2d023fcf4930a67b47b18054315c2d9c8535c3bf8506e028444d3006b4c9' 
  AND (
    token = 'mdk5fKeSmJd1L48KMDTgZC99pLJRLZYV/IrxIVkEnL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )