UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VjPMZJM0LKzcyfcIRrElhcGY8mJbUgMvNSzqjByYLT0=' 
WHERE 
  key_id = '6a3da602cbd503a878ca1bd54f05aeed8d1b754b1da33cc832a149983bda49a2' 
  AND (
    token = 'VjPMZJM0LKzcyfcIRrElhcGY8mJbUgMvNSzqjByYLT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )