UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IwxTgA2s0BCLAJCQ0YnAf2TSJofbp4cTfgF4LAksTGU=' 
WHERE 
  key_id = '6b977bd61865cd19c192bf12097426fe41f7d0e8e0f6ecdff019839a504c20e4' 
  AND (
    token = 'IwxTgA2s0BCLAJCQ0YnAf2TSJofbp4cTfgF4LAksTGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )