UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M+lCGscCjpWxZFu3oKbIvTXdgibiflWaAVXYpEh51FY=' 
WHERE 
  key_id = 'd256c7cf4c02f9cf6f71e27ad1a8e45004933eec63749a65359204b181f040fa' 
  AND (
    token = 'M+lCGscCjpWxZFu3oKbIvTXdgibiflWaAVXYpEh51FY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )