UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ME4nUBq28CKCo/Em0jv9hXnJfaKnVICxCT9fAaKhW6g=' 
WHERE 
  key_id = '1695946601e67e0bed669de85082ee04461eb71df03b61a1144cb685872b944a' 
  AND (
    token = 'ME4nUBq28CKCo/Em0jv9hXnJfaKnVICxCT9fAaKhW6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )