UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U74s+9DmXplkTrqiZVRbgT3QqH3r2//MgST3zX4tmZY=' 
WHERE 
  key_id = '541307338f11af9d41b32455de78668a80e71035ae5b12cf4b40ba33d4466a20' 
  AND (
    token = 'U74s+9DmXplkTrqiZVRbgT3QqH3r2//MgST3zX4tmZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )