UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B475fGSI6rgwmOpSY8HL4dc43krLUu3ymRanmHEM2ts=' 
WHERE 
  key_id = '991403887455d4ec4c23398e4a72a2c8200ec05554f7889557537d32954133f2' 
  AND (
    token = 'B475fGSI6rgwmOpSY8HL4dc43krLUu3ymRanmHEM2ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )