UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'me02pdawXQKxri6ykDshULBqj2DhAPNd2SKkfA/TH2w=' 
WHERE 
  key_id = '636264b2e90b709cf0e6a5d80e08d8fcb6b3704790672c598a5ef44f857f60a4' 
  AND (
    token = 'me02pdawXQKxri6ykDshULBqj2DhAPNd2SKkfA/TH2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )