UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0+6xUCVyDnjPnG5We8tqsvqbvZVeXNyW1blK22GTVt0=' 
WHERE 
  key_id = 'b4357e45b4662c520b9a80dd4c228129a5aaccadbb142d46a1c43c293fefa394' 
  AND (
    token = '0+6xUCVyDnjPnG5We8tqsvqbvZVeXNyW1blK22GTVt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )