UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4V75jzjdJf1RsGGqd0HutQpMaOVy6F3zf2UHVMpvUE=' 
WHERE 
  key_id = 'b9f084804e2c38b067ef4e372a49652af17b9250d798ddce752077fe8fff1461' 
  AND (
    token = 'z4V75jzjdJf1RsGGqd0HutQpMaOVy6F3zf2UHVMpvUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )