UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A2b/GdwS1Ip/RThsphcCZMM2fKSe19p6/xx6Afithwg=' 
WHERE 
  key_id = 'e1746d6fc8cb47598a4268e7b211be002b8747b2fe26c1e751946c3f7a5d6774' 
  AND (
    token = 'A2b/GdwS1Ip/RThsphcCZMM2fKSe19p6/xx6Afithwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035