UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hchitTxZVopW/MjDtnkNEZLMsGT6rHaiW/qIkwpCsKo=' 
WHERE 
  key_id = '51bf2797dbd286f1fe56ca35bf166e172a8baaaeeaaa42bbe731d6b40e0ebc1f' 
  AND (
    token = 'hchitTxZVopW/MjDtnkNEZLMsGT6rHaiW/qIkwpCsKo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )