UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZYEubpMYx8pkbDgRQ5rmNcJqxfiDyA+JHKcOhVZFyE=' 
WHERE 
  key_id = '73a05dc6becaf2a425b0bc4c7430bc2fb87111a1a33bef97b68569774ff2d1e3' 
  AND (
    token = 'uZYEubpMYx8pkbDgRQ5rmNcJqxfiDyA+JHKcOhVZFyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030