UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4JVWWgjCuprm7e+DP/VEeWFtpaNqdjLnJgSM0pWjydk=' 
WHERE 
  key_id = '83ae1012938412d45b5d722bd6e2b4c194ada1799e2261897364a16b84662575' 
  AND (
    token = '4JVWWgjCuprm7e+DP/VEeWFtpaNqdjLnJgSM0pWjydk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )