UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQlJitp4EYVubDKsJzoQbeTw6O0rCNQ2iVWpLhmWGjg=' 
WHERE 
  key_id = 'aab09bc28a31a1314fb66799ce9fc495f9a3b9ada4736b2af6e46578a2820e34' 
  AND (
    token = 'DQlJitp4EYVubDKsJzoQbeTw6O0rCNQ2iVWpLhmWGjg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )