UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vi39w3aA/kb7rVsJzOQobqTU6IREMuN1mcs4nBuxJyQ=' 
WHERE 
  key_id = '27a9a84ed15be6ee4dc8c4080d2f725e0de347e45783258ad87627d1b3f419d6' 
  AND (
    token = 'Vi39w3aA/kb7rVsJzOQobqTU6IREMuN1mcs4nBuxJyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )