UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PHYdw1UjQpFaocqy285CWEtzhSqMKTK9Dtu1r4WcmuM=' 
WHERE 
  key_id = '303f0467639bb092d5a0cba90975a190617f51a4d94be2cbd409d39613e715cd' 
  AND (
    token = 'PHYdw1UjQpFaocqy285CWEtzhSqMKTK9Dtu1r4WcmuM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )