UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4DXVIFebAfVt8ny9ReRWtKFN4HIgzDQj0IQq/TXabY=' 
WHERE 
  key_id = '03b83143c00f81a242d2d53ec012ad33f1582c6c7f396c8b4b76fc677fd39cd3' 
  AND (
    token = 'P4DXVIFebAfVt8ny9ReRWtKFN4HIgzDQj0IQq/TXabY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )