UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cb96KWO0E+jKkEpkTW5IRRc23xriKQWCUW5rG08IdJ8=' 
WHERE 
  key_id = '571045e2b9a7ba36784bf8b6d53857d74e26a98aeb3aabffc2acd773a9d65647' 
  AND (
    token = 'Cb96KWO0E+jKkEpkTW5IRRc23xriKQWCUW5rG08IdJ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021