UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4fqvPVFtsmYYGDCbPiXo5O5zCx4CbfZPIGb1jzim+8=' 
WHERE 
  key_id = '91de5469a0865ebe4a37abbfd9bf0c631caff674e4db6b1110ab153c3d0031c1' 
  AND (
    token = 'r4fqvPVFtsmYYGDCbPiXo5O5zCx4CbfZPIGb1jzim+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )