UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cgQt7U2iTC/LXXq4eNnoX2rTcX1W4WZEZlDHyN0gCKY=' 
WHERE 
  key_id = '68c3fd844096642450d9cc876e3b90562969abfb7eaf07a524d123a10105d5fc' 
  AND (
    token = 'cgQt7U2iTC/LXXq4eNnoX2rTcX1W4WZEZlDHyN0gCKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )