UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCwjbwyBSbn6/2bLiOp9R3XSUrCXCl5E7pQAgOK4p1A=' 
WHERE 
  key_id = 'e3af7430432d2f8d47f59a1b3231d9255e174de4d7da1dd54ff11977ccf8e865' 
  AND (
    token = 'DCwjbwyBSbn6/2bLiOp9R3XSUrCXCl5E7pQAgOK4p1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037