UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rtAv9tA+rMvUD/N3m/2DJfgMNSbTpQSYylH2Mmglo8c=' 
WHERE 
  key_id = 'b294366c812e4389033189a5fe50d0532195d7e360797a8313f4154ae3aceb49' 
  AND (
    token = 'rtAv9tA+rMvUD/N3m/2DJfgMNSbTpQSYylH2Mmglo8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )