UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'paRBx1K/A5hNmKBO5hp0wR6DrM8T8mtOlRflCAuGZSc=' 
WHERE 
  key_id = '81c3a238b0a5e72593bbdb53f105326ba3160623375264acea3a8da6874b6ded' 
  AND (
    token = 'paRBx1K/A5hNmKBO5hp0wR6DrM8T8mtOlRflCAuGZSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )