UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wx3ma15wYGXe5EsS/QWUIrtYXjW69V8tVUEI7x7CgRg=' 
WHERE 
  key_id = 'b674e0690fecfa7b397e2cfc634711efda787220e237866e59a615a570e3df7e' 
  AND (
    token = 'Wx3ma15wYGXe5EsS/QWUIrtYXjW69V8tVUEI7x7CgRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )