UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cf/QtjZS6Cj6l9BJE+Y2nzn3PfBnnFDDsLk49Mo5ByQ=' 
WHERE 
  key_id = '2371b2262a0c9c78a33d7c86f419bc91d0b987e2737777e159c170d2b0db263a' 
  AND (
    token = 'Cf/QtjZS6Cj6l9BJE+Y2nzn3PfBnnFDDsLk49Mo5ByQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025