UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3KqlkIhfZFNomzLoiXdpgdNt1PZDM/cnlAYds62CjM=' 
WHERE 
  key_id = '2101e902e6498e1027e4875cdca57da0aa4575007eb2b8fa22d84590f4f8caef' 
  AND (
    token = 'i3KqlkIhfZFNomzLoiXdpgdNt1PZDM/cnlAYds62CjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )