UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLxmpN4nQI0zFRF38VvFTp4v6KS7nNtB7sOaA3ejIEM=' 
WHERE 
  key_id = 'c52218426bb039ff2a51762f544a2e1c7828d97b30c1206b0a2ca02b4d4949c5' 
  AND (
    token = 'MLxmpN4nQI0zFRF38VvFTp4v6KS7nNtB7sOaA3ejIEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )