UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iu9Z6pl/+0u4vMeP6wC8AkLqc5WGb3iNv4uWdoJAMtE=' 
WHERE 
  key_id = '9bfc54259414440c59b7a78a666be76fc4b10bb13c1d603c1013e5e229ede698' 
  AND (
    token = 'Iu9Z6pl/+0u4vMeP6wC8AkLqc5WGb3iNv4uWdoJAMtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )