UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RGVbPU9UaZjC3FOx2+BRc3H6PmbcjtG9hJT1eitRTlU=' 
WHERE 
  key_id = '48cfd47a07e8ca0032191574cbb031b98b4af062b9bc03894258eabb60b71eb0' 
  AND (
    token = 'RGVbPU9UaZjC3FOx2+BRc3H6PmbcjtG9hJT1eitRTlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )