UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kttoujxnlEORnt2Aunx6IQn+8kmXu8ep0HYHVClSRCg=' 
WHERE 
  key_id = 'f7b5ce47592495d54603fefc5082a22eda9500f32acd5e1aa91ff3e3bae5dc9f' 
  AND (
    token = 'kttoujxnlEORnt2Aunx6IQn+8kmXu8ep0HYHVClSRCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )