UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '39ldEfk3BWycTbZ8oS0A3ki5VBMAiopdJC/4cKQ4NdA=' 
WHERE 
  key_id = '91732375a1b83a19b62084968ca687352ac72e42a313d4aa93a64b6adf873a8e' 
  AND (
    token = '39ldEfk3BWycTbZ8oS0A3ki5VBMAiopdJC/4cKQ4NdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )