UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8za4sgIELsZ8+qqHHauI0T8JObdea51IGVZkLoFSU0=' 
WHERE 
  key_id = 'a21f9ee35b7de7d5ac77ee0a6e833823c49cb0f3c4f7a8fd2701c24106098375' 
  AND (
    token = 'R8za4sgIELsZ8+qqHHauI0T8JObdea51IGVZkLoFSU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )