UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJKav87e9WK9b6b7nWfb1w03U8NtFMcwSPSZgAB8Dtg=' 
WHERE 
  key_id = 'bc7a29cc19aff259ce896938db125c988c28164d07a3bd01f8eac89039f0e5c4' 
  AND (
    token = 'MJKav87e9WK9b6b7nWfb1w03U8NtFMcwSPSZgAB8Dtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )