UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ng/AA0Gv08pOFYV0vpOOZH3Jf08pFWKYFWGvB1wuKMQ=' 
WHERE 
  key_id = '6bb7f9a1ef6b95a733810c9b7646d6479e1ef5a3cc200740c2e1e79cdb0cad7a' 
  AND (
    token = 'Ng/AA0Gv08pOFYV0vpOOZH3Jf08pFWKYFWGvB1wuKMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )