UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55LKjWvPGTqHo2lNrjF7+308l/IcFMnpq5Es+5gizdU=' 
WHERE 
  key_id = '6a51abf5dd7bf8234654cc4519dc34f9d62ba9a85b915fe4c6f1ce6c07df93ba' 
  AND (
    token = '55LKjWvPGTqHo2lNrjF7+308l/IcFMnpq5Es+5gizdU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )