UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hTadD2Nj2lRSJ7ow159pKM4OMMUW4wipHeTRI3b6ppI=' 
WHERE 
  key_id = 'c26b669af466ced7b533006a94cd26fac98937e2ae6e306e74268e02aa854eb5' 
  AND (
    token = 'hTadD2Nj2lRSJ7ow159pKM4OMMUW4wipHeTRI3b6ppI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )