UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pzNwuFNVBmLyEP4ybSzM7ZxTc5z0NOaLesVMP3L1m/k=' 
WHERE 
  key_id = '81d8ec62a0e3b9fbee7fa474614d93132e3c84707626d4d2d7456b0440d68876' 
  AND (
    token = 'pzNwuFNVBmLyEP4ybSzM7ZxTc5z0NOaLesVMP3L1m/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )