UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '48zoXgfZO2JYeu/iCHw858hkN6+y0GLD9szOyRGRWyQ=' 
WHERE 
  key_id = 'be2a9069ce4ee4285909a67664c7767928ef5c8e251364fb10dd94f450f6f9f9' 
  AND (
    token = '48zoXgfZO2JYeu/iCHw858hkN6+y0GLD9szOyRGRWyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )