UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5HWwWh4/4i3/LPkxSTbo5dTuuDzorpSU5zx4DwVcAk=' 
WHERE 
  key_id = '4a57155349fc3d2978004733f0d09060dbae2a45a0be041869d865728799dbd1' 
  AND (
    token = 'n5HWwWh4/4i3/LPkxSTbo5dTuuDzorpSU5zx4DwVcAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )