UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KkMlrZFgyPzDkL8vubZTQL3Ae7ymkmvNQrTWQKfZXzM=' 
WHERE 
  key_id = '976c1e21ddb2e804431c5d9d1925f418ec51367422fb1c8a48a643afdd27ae30' 
  AND (
    token = 'KkMlrZFgyPzDkL8vubZTQL3Ae7ymkmvNQrTWQKfZXzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )