UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5VpgmsOh60X++wtSV4q/9T9vO9gFAkzkx4BxQUFEKP8=' 
WHERE 
  key_id = '0e73532de2f1afaecf7a9d3f6282e1658f1d6d19017bc074cf4fc8adafa1688c' 
  AND (
    token = '5VpgmsOh60X++wtSV4q/9T9vO9gFAkzkx4BxQUFEKP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )