UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MQzB0Xz/ZtqvFv1Hy/j7A3/VcAU9N9PW5Yp4vg+Osg=' 
WHERE 
  key_id = 'aceb6dcb87d42c599caf17e2f7bbc180d1bbbee29ff196c7b6b14ef151f830fd' 
  AND (
    token = '/MQzB0Xz/ZtqvFv1Hy/j7A3/VcAU9N9PW5Yp4vg+Osg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )