UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QpjdzLeDy+VB7ZD1YMHXTzISglw6lDMbeLSeGsUw8hg=' 
WHERE 
  key_id = '21851aeec03cb0ee60ed2fdd41eebde0d91371f5d2da6247a2676cb8d26f27c9' 
  AND (
    token = 'QpjdzLeDy+VB7ZD1YMHXTzISglw6lDMbeLSeGsUw8hg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )