UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JqUIFYwr11BbnhzxGtHxfOMWFnv2O+JWBycFKd02m3k=' 
WHERE 
  key_id = '7cc808de3a0fecfa29193eb0786d08726a35455b38f69d0ca9ba8e2a7d99ef70' 
  AND (
    token = 'JqUIFYwr11BbnhzxGtHxfOMWFnv2O+JWBycFKd02m3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052