UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V+JBnquZqu2zuzOGT6yslmD1RK/7GJV6zgIocL7G7BM=' 
WHERE 
  key_id = '44a29e395f4c9a9e39ac0a54937cc09e6158768dc644ee904e8e2b3a27e8e9f1' 
  AND (
    token = 'V+JBnquZqu2zuzOGT6yslmD1RK/7GJV6zgIocL7G7BM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )