UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PpwZLh+7BQt6n8Ca6Eu5g+1o1Ck2QGtkin2ri47J1vk=' 
WHERE 
  key_id = 'b6c2b67e514d1ee1d1a8604a4efc88510f93c2997ed8e8aafddb15967b2002da' 
  AND (
    token = 'PpwZLh+7BQt6n8Ca6Eu5g+1o1Ck2QGtkin2ri47J1vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )