UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e8CLED9lPuLhGBkkgdlFs4dC1lxEb/wo/cQIx5wzn0E=' 
WHERE 
  key_id = '21c0a7bc281d7880334def6b507058c911b01b32512a9c2492d2e3dd98617b3b' 
  AND (
    token = 'e8CLED9lPuLhGBkkgdlFs4dC1lxEb/wo/cQIx5wzn0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )