UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/CLM5Us0QwqZeWmpQsA1syk36bnylfAYdjtVHHDrAts=' 
WHERE 
  key_id = '531b860ca5f977d81cbb1d5e33cf2d61de5037d67119e55cc940a0ea6eb1a9f4' 
  AND (
    token = '/CLM5Us0QwqZeWmpQsA1syk36bnylfAYdjtVHHDrAts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )