UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ngrv/wpndXZ1UPeHxxvgG8htA2HcbaIKRP4FJAsEA6I=' 
WHERE 
  key_id = '6c987dc7a565bc67aaf15154a2c982f36658a8551169446c9720da5aef294145' 
  AND (
    token = 'Ngrv/wpndXZ1UPeHxxvgG8htA2HcbaIKRP4FJAsEA6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )