UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kL64eqPtuqh1AezUgk60Fvs5A8GUkSm5VtHj0uuzg4M=' 
WHERE 
  key_id = 'a596a4583e8264af67705c75e270cde05c9297443b6fe831b55ec3742e85d03f' 
  AND (
    token = 'kL64eqPtuqh1AezUgk60Fvs5A8GUkSm5VtHj0uuzg4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )