UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51QCL/cVUrPjTkww+NxWskCyF3uUk+DXOqPFSv4RXes=' 
WHERE 
  key_id = 'a5e700294c7a1703e32ca6c046bc5d99fcfffafde41a3fdc7f75f360793f4441' 
  AND (
    token = '51QCL/cVUrPjTkww+NxWskCyF3uUk+DXOqPFSv4RXes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )