UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'AH+p90zXxNNk2ZCMknhZ3eCM1rLRSEVpgyQ+hNFQmxo=' 
WHERE 
  key_id = '8df5f9fbd7cd6169a4d4c9ea87d0502b8cebbf7f8a3ca0e987d3126c6d758923' 
  AND (
    token = 'AH+p90zXxNNk2ZCMknhZ3eCM1rLRSEVpgyQ+hNFQmxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )