UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Ejl4vh6TQnoR/oie2o9calQ6OipSQPGaf6khL9CtCk=' 
WHERE 
  key_id = '51961a7626d9b9716dee0016c47c45a2b0c6faf98ce8e3d851f51ae3073a0d98' 
  AND (
    token = '+Ejl4vh6TQnoR/oie2o9calQ6OipSQPGaf6khL9CtCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )