UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0i7lrauj7gL5gg3TP4c1RHD21sLqNgEMNrz966yxW0=' 
WHERE 
  key_id = '99b2b0d257f74fa3ee2737241ed271981f37c4366ec453434702d818150aff68' 
  AND (
    token = 'U0i7lrauj7gL5gg3TP4c1RHD21sLqNgEMNrz966yxW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )