UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w/padJtAvnNl3ge3PBoSog/HqJehWu5zy25BMvLnqYw=' 
WHERE 
  key_id = '8b70c210e1b37dadb207db4d61ef1e9ac9191e38aa3455541a20d4c03d4ef7dc' 
  AND (
    token = 'w/padJtAvnNl3ge3PBoSog/HqJehWu5zy25BMvLnqYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039