UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BU8zXk1R+VxlPpUbhDFU4Yc13e7eUISjiHlEWxVcolI=' 
WHERE 
  key_id = 'a4917bde90a8faf364833f55c90038bb345803bf73fdbda800a64f4575ea85f6' 
  AND (
    token = 'BU8zXk1R+VxlPpUbhDFU4Yc13e7eUISjiHlEWxVcolI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )