UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QNb9yJ/AWvsijQdqCnRD9yF1/Im//GxkSO+EeMjByGA=' 
WHERE 
  key_id = '3e1b5e4c6cfc674b0d7a7bc57d1d2e746e51abcbd7e5a7e0c9ad7ec2fe407603' 
  AND (
    token = 'QNb9yJ/AWvsijQdqCnRD9yF1/Im//GxkSO+EeMjByGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )