UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nCTur427OcSx+qVEaUanHYOL7AYb954QRQ4AVgsNZII=' 
WHERE 
  key_id = '94940625f9d234d2a2b5bf291832e4567d33db6700f425793a0ed85a813af4e8' 
  AND (
    token = 'nCTur427OcSx+qVEaUanHYOL7AYb954QRQ4AVgsNZII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00054