UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xt+JwsMqJe0Lirgf3199Rm2yH2YrE9X4ocMmFEv5Y6Y=' 
WHERE 
  key_id = 'ce26ea3cea9af1d577b9fda97eabbd1dcd2fc79d216611ff7ca34485c4637889' 
  AND (
    token = 'xt+JwsMqJe0Lirgf3199Rm2yH2YrE9X4ocMmFEv5Y6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )