UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6j0uqg5J4EB9DggRpGjF/10D++ChWX3ssqN1+AivqI=' 
WHERE 
  key_id = '6796b78b9968404ecef7e2efd06b2b769c9d70f016d40d3474585b3f815d0168' 
  AND (
    token = 'C6j0uqg5J4EB9DggRpGjF/10D++ChWX3ssqN1+AivqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )