UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9YnFzyNVRxzzfYM4vlFYuFH/yGRj+VfoZ2+3DeSK5HI=' 
WHERE 
  key_id = 'a000ab5d1435ab89669f1b2cebfe8984f1e36d4326cb1f5a9ec01ced57c9e3f1' 
  AND (
    token = '9YnFzyNVRxzzfYM4vlFYuFH/yGRj+VfoZ2+3DeSK5HI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00011