UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fU91RT2QQ5fnJ6Md3SV7PQwiRHMrsGFJwHjS0wn7uHQ=' 
WHERE 
  key_id = '6002ede258bfcbe3a6b1d6f38ba74b410ff6e2b4a32a1dc6c9ae818170a8507b' 
  AND (
    token = 'fU91RT2QQ5fnJ6Md3SV7PQwiRHMrsGFJwHjS0wn7uHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )