UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RSmuRHLB6KEtkDa4LiUq3dtfD7PmvrJM2lslE9+Rixs=' 
WHERE 
  key_id = '906f68ee21937e4b8b04935911306739cd9aa35782f9b8477733556ff4fda150' 
  AND (
    token = 'RSmuRHLB6KEtkDa4LiUq3dtfD7PmvrJM2lslE9+Rixs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )