UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aCgmDn+pMOm/dbCrrRV48ZF4eu3rsJ9R+VVpURs91eU=' 
WHERE 
  key_id = '7d23740d24be90ce8f45793c67b3579fb04f76ea6105d5d8b8d52c6dc349f400' 
  AND (
    token = 'aCgmDn+pMOm/dbCrrRV48ZF4eu3rsJ9R+VVpURs91eU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044