UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4EVAJUplePtmJSUs7FFUgLwsa1oIb8lFgXVziLLrNKQ=' 
WHERE 
  key_id = '2a6dbc9cc7c17e8059c024943247d740058102aaa6957be4df42bad5719f8994' 
  AND (
    token = '4EVAJUplePtmJSUs7FFUgLwsa1oIb8lFgXVziLLrNKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )