UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mdr0iC20WYUGa/MDSSdX340oiovRTZY0+GnhduURdn8=' 
WHERE 
  key_id = '771fe9d8f8520d5815171b56190dc19308055d19e3c3c96a40db330327f21344' 
  AND (
    token = 'Mdr0iC20WYUGa/MDSSdX340oiovRTZY0+GnhduURdn8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )