UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6R1Okja8HHeyIYWVl76+sZbZ1wCOn43Ny/DkTcqUMg=' 
WHERE 
  key_id = '83b702441496a21b48a99a4b02ef89b1a9524750088194ad53cf242b6ce585c0' 
  AND (
    token = '/6R1Okja8HHeyIYWVl76+sZbZ1wCOn43Ny/DkTcqUMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )