UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mxx//8/+HLWwzczoMIR9bKNYOzXhPO0UsXQUyyeMPv4=' 
WHERE 
  key_id = '2760596a6d23c1e9e5a9fdb77577fda34e4449a449c025a108e3b86dfb93af7c' 
  AND (
    token = 'Mxx//8/+HLWwzczoMIR9bKNYOzXhPO0UsXQUyyeMPv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )