UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r36rnJaG2b84YFg3YPgcpEilIVqVQLVuF1vPurApEr0=' 
WHERE 
  key_id = '3f2a8c8702b1104d5e03538f4af31f13370e81ab4b8c4dbd7dc932668c0bf9b1' 
  AND (
    token = 'r36rnJaG2b84YFg3YPgcpEilIVqVQLVuF1vPurApEr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )