UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oGAZqMkf5o4VWm/HLttv/X/SfsW5bt7lnoEPujS5sH8=' 
WHERE 
  key_id = 'c5409ee94ec97738dc839228166e02e6ad77a6849eb09890b92cb34ad5f650a5' 
  AND (
    token = 'oGAZqMkf5o4VWm/HLttv/X/SfsW5bt7lnoEPujS5sH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020