UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i1Ybv1CN6mxT1cRCSG+b/OUUNYO9/v+mYEJ7ZvFxg2k=' 
WHERE 
  key_id = 'd9a0f3e6b36f849506eef0462e372cebeeff1927685ccc20d2d62a7651caeb3a' 
  AND (
    token = 'i1Ybv1CN6mxT1cRCSG+b/OUUNYO9/v+mYEJ7ZvFxg2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026