UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tIKEbt5c4DFN0OdMy35sdoKc+7IX8X1AffLEwx17t8g=' 
WHERE 
  key_id = '42e7161dc76703ad9b944f7120429c2e34ea3609a688dd0870ef152c797a04a8' 
  AND (
    token = 'tIKEbt5c4DFN0OdMy35sdoKc+7IX8X1AffLEwx17t8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021