UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fvcUj72U9u2DsN3yFa3fUzT5On+2FkxCocrl3fKg+VE=' 
WHERE 
  key_id = '7c6d18f651445a744b0f9ccadf0e606a5aaf6f7e186a32c885e8a2c178fb5d81' 
  AND (
    token = 'fvcUj72U9u2DsN3yFa3fUzT5On+2FkxCocrl3fKg+VE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00014