UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3x+zikzmIydgYDml+Bpep7Urdj73s3uLjS3rSmbAiTc=' 
WHERE 
  key_id = '688bdd43fef1dd37c0e4a41b45f4dee459c13b77e6671938a88e04ea7c979f00' 
  AND (
    token = '3x+zikzmIydgYDml+Bpep7Urdj73s3uLjS3rSmbAiTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )