UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QlJUe+Mu0YRiGjra9cAl8UqBIrBybjXYLr81BDXi1+c=' 
WHERE 
  key_id = 'b8795caf83ec5ee8ed10558bee5d2079fce5ead85e0863416f3f2e17dc84ede7' 
  AND (
    token = 'QlJUe+Mu0YRiGjra9cAl8UqBIrBybjXYLr81BDXi1+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )