UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l4WY0JxqhM0djvbFfSp41RqbhQzGCCP4I2091ofHCDs=' 
WHERE 
  key_id = '796290e149824c6f1de41959eca88a105b60d9be4de97430e26d7fa763a4ad95' 
  AND (
    token = 'l4WY0JxqhM0djvbFfSp41RqbhQzGCCP4I2091ofHCDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )