UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T6mSB/u43i7xOziGnGOK8bJOStcitIdg6tJhgvRXJHE=' 
WHERE 
  key_id = '6d0f6b538b83730be97a45d491b075849cd7968d01780f3b6aae2c9b695982d8' 
  AND (
    token = 'T6mSB/u43i7xOziGnGOK8bJOStcitIdg6tJhgvRXJHE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )