UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AOChDa5a9dJ3HQX0PL3lR5ZK31xmLqt3nt9dO6gO03Q=' 
WHERE 
  key_id = '6b3c2aa6cffe6c4269a25117496f2b457dbb4ee6ae43c7911c816c33cbecb3dd' 
  AND (
    token = 'AOChDa5a9dJ3HQX0PL3lR5ZK31xmLqt3nt9dO6gO03Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )