UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WsIcZF2CU7f+w2BKTmlSLI1FyMcp3kPMnxp6Ks/3SL4=' 
WHERE 
  key_id = 'bf4d921bd6d023b420a45b3a45725c084736d2ad3d102d2955d49ff6ee75091a' 
  AND (
    token = 'WsIcZF2CU7f+w2BKTmlSLI1FyMcp3kPMnxp6Ks/3SL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038