UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5c3D6FeVgbq2SUEw8siCrdYJKpUfiE+A7esWyFc9Qa0=' 
WHERE 
  key_id = '6bce8b6f764d0b29522db0befac856e682194d9298db1a3198dd04ba455d7a82' 
  AND (
    token = '5c3D6FeVgbq2SUEw8siCrdYJKpUfiE+A7esWyFc9Qa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )