UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gyx9qjMwstPXLg0okm9LsGenc95XCBb3tEvYbHKA4nk=' 
WHERE 
  key_id = '7e37c09f90455e509b1b39b85d9d9c5e46cb55dbb758b1c545632544a549d59f' 
  AND (
    token = 'gyx9qjMwstPXLg0okm9LsGenc95XCBb3tEvYbHKA4nk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )