UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vRM+Lfyuz8wJjExbTxqitzXg4fKz7KAAJgxsBpI8rtg=' 
WHERE 
  key_id = '15c388887862052c9b70ade794be6e0c531dcb51247f8c19143e52401c860c8f' 
  AND (
    token = 'vRM+Lfyuz8wJjExbTxqitzXg4fKz7KAAJgxsBpI8rtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )