UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g9zOtqj0SdByZ7rOsX9z2+Sn2UlENGoMwx8+hTncpOk=' 
WHERE 
  key_id = '4cecd5c7fa6508e8ad13e0b3e29590138f2d7a106b860ee06d33cc7417e9cb81' 
  AND (
    token = 'g9zOtqj0SdByZ7rOsX9z2+Sn2UlENGoMwx8+hTncpOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )