UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRRiyCRwajn7MuBIDvvq+4LbQBUSmoA1s2ThE9QABMc=' 
WHERE 
  key_id = 'a27c07ef45ef86c077357f4e120386bcdb44b9014e031ed41221a8e8bbe90fd1' 
  AND (
    token = 'kRRiyCRwajn7MuBIDvvq+4LbQBUSmoA1s2ThE9QABMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )