UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzGVWUKjB/Tl7a07zaez3fws1h1e0n0809vF7H316Gw=' 
WHERE 
  key_id = 'ac4de5aa69d1fbe78ea3e14d2f5247184b50963f3f8e8af712d1bf904a84da1f' 
  AND (
    token = 'PzGVWUKjB/Tl7a07zaez3fws1h1e0n0809vF7H316Gw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )