UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Lcvqb6mO7cWY/l8fEukg8NhwXZH/fks2s9UP2+fq7o=' 
WHERE 
  key_id = '18f4823de9c77ba03aeb24bcf6a840ab218918810d9e2ec0f8d9ff2176280181' 
  AND (
    token = '2Lcvqb6mO7cWY/l8fEukg8NhwXZH/fks2s9UP2+fq7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )