UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xDYKGZUBF0Jv6LBMoqzUt51I1ney/VNXU4/nG5PiuGI=' 
WHERE 
  key_id = '14387d71fd8a2d59abae2699be25587a11d6071f7df61cb6de470d1bea8a0c14' 
  AND (
    token = 'xDYKGZUBF0Jv6LBMoqzUt51I1ney/VNXU4/nG5PiuGI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )