UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhgkVxP3nbcV7Vmd2WsRoX8s5atcM5rWgANCbExAThE=' 
WHERE 
  key_id = '03bd59b00289ab76e4789d553fea611f6daaf3aa8369a286627b685d774a9b41' 
  AND (
    token = 'MhgkVxP3nbcV7Vmd2WsRoX8s5atcM5rWgANCbExAThE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )