UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Po0PEKTq+4J+wC1Ke5GDQZE41OPEvcukLtgXJVEHdfw=' 
WHERE 
  key_id = 'b4984402692dc4cb7064bcf130bf90defe5e7b020fd97f1edfc1d86370d74400' 
  AND (
    token = 'Po0PEKTq+4J+wC1Ke5GDQZE41OPEvcukLtgXJVEHdfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )