UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CtsNCDxkaNJOBuIgpvUonsHGEpwabQsdqMil1d2Dkps=' 
WHERE 
  key_id = '520798ecd6f093500954193b0fe2d223415ed5927f1aa709cd7e3d3a35da51c2' 
  AND (
    token = 'CtsNCDxkaNJOBuIgpvUonsHGEpwabQsdqMil1d2Dkps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )