UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xSxyy/rt7zFDYUCvrIt07kcq5wJX3pz2jMhjOlAUdo4=' 
WHERE 
  key_id = '791c96dfe6988410962569253a7f31d874781be83f6d6c80cda929b9e994d355' 
  AND (
    token = 'xSxyy/rt7zFDYUCvrIt07kcq5wJX3pz2jMhjOlAUdo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )