UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6izpHepqsjUDGHHrny2T86kJGFTRKx8ksyq4BWX8oCg=' 
WHERE 
  key_id = 'a7840d6053c3e2a48982e3301d53b5885f21294e7a6f1d4211155152ba15c9a7' 
  AND (
    token = '6izpHepqsjUDGHHrny2T86kJGFTRKx8ksyq4BWX8oCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )