UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HcWqSKGL1tskRT4RbqPrUqRPgGfPLWsFM9U7suFvGLQ=' 
WHERE 
  key_id = '842d398a91d5d98646ba96dd6ddab9484359b67133f79f2714aee866fd502bad' 
  AND (
    token = 'HcWqSKGL1tskRT4RbqPrUqRPgGfPLWsFM9U7suFvGLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )