UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMx5AxZPHGRCQYuvha2uzDZh8I8g1cyVFADwSrCYctU=' 
WHERE 
  key_id = 'b64df155b7c7939eeacedbb91470de215bd422cd32756ba0e701477bab9d4c7e' 
  AND (
    token = 'mMx5AxZPHGRCQYuvha2uzDZh8I8g1cyVFADwSrCYctU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )