UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zef3goSjUr6HB98mGOPgBc84CgfyGACr5NjZDFofw/A=' 
WHERE 
  key_id = '0a3a20eb83a7869397aff711ae478944242777929a3f259b74e60573c81832f9' 
  AND (
    token = 'zef3goSjUr6HB98mGOPgBc84CgfyGACr5NjZDFofw/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )