UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e51oi3Ao5SLA+LeKloWmeLfWBt2Uj71bvCwDCM3sKzw=' 
WHERE 
  key_id = 'a6ee03f3f8f05975e045f481d440c848a5d29e4e5cc9c70a21d85fc85009f5ce' 
  AND (
    token = 'e51oi3Ao5SLA+LeKloWmeLfWBt2Uj71bvCwDCM3sKzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )