UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sz2yByr60sBuhPtBSQUxlqaiGQwOZvVxEH3ldkNc8y4=' 
WHERE 
  key_id = '3f4cb8c644a67dcf13f96176cb9277055cdaaa3ac593261993d2454a13271f76' 
  AND (
    token = 'Sz2yByr60sBuhPtBSQUxlqaiGQwOZvVxEH3ldkNc8y4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )