UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7kh6kx2XVFp6zeiCU9QeWMKy3OzFurjPyzYbuEHDi0=' 
WHERE 
  key_id = '233a14ae749137b310d31bdb2e0277be3bbf3fe6012791bc4beaff40a9e7efb0' 
  AND (
    token = 'M7kh6kx2XVFp6zeiCU9QeWMKy3OzFurjPyzYbuEHDi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038