UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ScA5rjnFlkZr88kwdTRF75EZ+9aCz0HBWFO4tuZVbU4=' 
WHERE 
  key_id = 'f2f89da77d45be01ccd8a5aac43e9439a8dac4a7ea83ae97e14e7a2e5ebd7a8c' 
  AND (
    token = 'ScA5rjnFlkZr88kwdTRF75EZ+9aCz0HBWFO4tuZVbU4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031