UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gyuxYNsUKeVvFfNvqkLx/Fk2SBpth0n10fZ+VmZo/18=' 
WHERE 
  key_id = '81b8e196ee27d939666ffe658b5341bce45234945317ef507d6335556655063a' 
  AND (
    token = 'gyuxYNsUKeVvFfNvqkLx/Fk2SBpth0n10fZ+VmZo/18=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )