UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eiNXiVWfmL5g4fC4OPz0bbsfkUxYhPTPjfmC+13KdH0=' 
WHERE 
  key_id = 'c8d22b58742b04acf15dad68b26a56d38290f56a8b5059c89e2c6559c8a28ef3' 
  AND (
    token = 'eiNXiVWfmL5g4fC4OPz0bbsfkUxYhPTPjfmC+13KdH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )