UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2QGFzJsigg1ja01dIC3sGXp1ATEo8aATBhVPX7pJiZY=' 
WHERE 
  key_id = '51ed41e1fb609197b29b7372e33e40fa70bf39dd61a0cee2d18cb923616cf79c' 
  AND (
    token = '2QGFzJsigg1ja01dIC3sGXp1ATEo8aATBhVPX7pJiZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )