UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tb/WvqCJt82AUDL8dkPlg+NYVU4NKvWWnpkfNHPF/oE=' 
WHERE 
  key_id = '618f3adb49fad78de7a2f6e042814d147415da0a3f530c70a2702f50b25c3c4f' 
  AND (
    token = 'Tb/WvqCJt82AUDL8dkPlg+NYVU4NKvWWnpkfNHPF/oE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )