UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AzIJIGSztXcblXxI7JXqHFQxhQzaHXSftx9ymvDAcTo=' 
WHERE 
  key_id = 'c21880e593f5283bfc4cdc65f8868c4976054be0503896b1dcda57434d90db98' 
  AND (
    token = 'AzIJIGSztXcblXxI7JXqHFQxhQzaHXSftx9ymvDAcTo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )