UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SKfwil8oYNeJ1B/gzrwDkBgInlY41jUB48S5ehirDq4=' 
WHERE 
  key_id = '81276869e1e181596153822278cc0b9817207837566efe5e378b2335c2c384d1' 
  AND (
    token = 'SKfwil8oYNeJ1B/gzrwDkBgInlY41jUB48S5ehirDq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )