UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R+jfesjcEs5RST9e5Ln3QsudnCCePRuK5mxfmG0wtwg=' 
WHERE 
  key_id = '6fbae7f45663b77673f3afbdc1daf147efff3461a5f6291606691278937dbe22' 
  AND (
    token = 'R+jfesjcEs5RST9e5Ln3QsudnCCePRuK5mxfmG0wtwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )