UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nu6B0fMxoQkoenpQZZXXX7YYOjH2uyPlzdqF1BeXfRo=' 
WHERE 
  key_id = '5c8b97aed837f86acc8a6e54aed2fbdb3c4b6f84078c6ee583caab6c739e25d1' 
  AND (
    token = 'nu6B0fMxoQkoenpQZZXXX7YYOjH2uyPlzdqF1BeXfRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )