UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6Lny4I2yb0C9oEkK6T699kry0wTjmZOAvPDbllcfUw=' 
WHERE 
  key_id = '6cf7b78eb138431f90ed67f6312e737c82037ad18ca5f51cf7c205c2a7176f97' 
  AND (
    token = 'i6Lny4I2yb0C9oEkK6T699kry0wTjmZOAvPDbllcfUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )