UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6qLUESySArT4+OsktO/PQndJnNXHSu0/0gt0Wx2r2A=' 
WHERE 
  key_id = '499230f848f954dae6ac78f5d7d206efac66e201a096f0c10161c5142a14676a' 
  AND (
    token = 'i6qLUESySArT4+OsktO/PQndJnNXHSu0/0gt0Wx2r2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )