UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUSndtkrh/QfWnwfpdbylS214FBv38I/TKHfhsKfUxY=' 
WHERE 
  key_id = '40d6ac28bd48f9bca07ea0c2347143897b7c467896f9d2fe2e35cd07a6b9515d' 
  AND (
    token = 'KUSndtkrh/QfWnwfpdbylS214FBv38I/TKHfhsKfUxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031