UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50Xjwl/HRov+rDCil8uUNPUUDhWD55XOKCpZj2toz0I=' 
WHERE 
  key_id = '20cfb581ca1ee8dc8bf82005d3db7222c9eaf44f450139a67dfe03f2df3fa7d3' 
  AND (
    token = '50Xjwl/HRov+rDCil8uUNPUUDhWD55XOKCpZj2toz0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )