UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ZzQ4FK/S4awKhQD4j4aqH1cEXL5N+8Y/EFjsM/cY7Q=' 
WHERE 
  key_id = 'b1a8d79bd34ee343df7773115c3079753e928ec6928c16f777cb9e28c8a1031f' 
  AND (
    token = '6ZzQ4FK/S4awKhQD4j4aqH1cEXL5N+8Y/EFjsM/cY7Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )