UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vQkmThRe16I8E8Wa5AXm2vykVVvKwkjtXK664pL1udk=' 
WHERE 
  key_id = '6f11218bfb50ac9db096aafd408859c9d0007a037daa3f0fc9138a4dfb0634a2' 
  AND (
    token = 'vQkmThRe16I8E8Wa5AXm2vykVVvKwkjtXK664pL1udk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )