UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S4aaMg+N4QMU8CKofPx+ZBY/im16/Mdy01cMfrE6rNk=' 
WHERE 
  key_id = '50269f9f9ab6b55761ea2661e6c797c49e3baeb71b1954c5848b104b59aaa8e1' 
  AND (
    token = 'S4aaMg+N4QMU8CKofPx+ZBY/im16/Mdy01cMfrE6rNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )