UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nn21qjAh2EAzz4OlyN7KbOCFCPBZME9kPNTUEyboB00=' 
WHERE 
  key_id = '1e52c9510be84b1aa63d61452c66bb03797803711f21016377f58e6acb226c12' 
  AND (
    token = 'Nn21qjAh2EAzz4OlyN7KbOCFCPBZME9kPNTUEyboB00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )