UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B9BDEeaiGVIDkoef9l4vtYmdF87ByQ7F3qwANdSDHx8=' 
WHERE 
  key_id = 'c6bfd9c27f79e31e44af39f7fd6af204c961349b595550db9be10d441d586293' 
  AND (
    token = 'B9BDEeaiGVIDkoef9l4vtYmdF87ByQ7F3qwANdSDHx8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )