UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8tyJ9Vtaux7epugic9bk+WFTnc1MJPL5QED3/xWzr4=' 
WHERE 
  key_id = 'dac95986ca966b85fb919aef9984391243263f20f7ad8513572c5b0548c49806' 
  AND (
    token = 'u8tyJ9Vtaux7epugic9bk+WFTnc1MJPL5QED3/xWzr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )