UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nH+iTc5LxuwkvPzVInzHAMxlHELC/Qe8GJQbscwEkb0=' 
WHERE 
  key_id = '8e19c41d8d18a945ecfcb1bcbe8e1f4a8c4918caa6373c4357077f8e9dd5430f' 
  AND (
    token = 'nH+iTc5LxuwkvPzVInzHAMxlHELC/Qe8GJQbscwEkb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )