UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qh9pNg5H1UkeZtEek391mE26rWrlr4gqY+5WiSChjHE=' 
WHERE 
  key_id = '536f433b0b875f5f0489cf76acf96b6af2e29392711d77d98cb2505a03703438' 
  AND (
    token = 'Qh9pNg5H1UkeZtEek391mE26rWrlr4gqY+5WiSChjHE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )