UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ywbZYwQPfkb1+kRbxhUMBtcdmr/nh2RlrNQtnMofzkA=' 
WHERE 
  key_id = 'd3d23b2b42bf756b1d1d13eb91ea34b2e08ef1b4177795fd395e90ba4dd63f0e' 
  AND (
    token = 'ywbZYwQPfkb1+kRbxhUMBtcdmr/nh2RlrNQtnMofzkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )