UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15y5X/US8h8THIbKMRWMKHgAtBWYnoNtuyod0OUACeY=' 
WHERE 
  key_id = '90e740a6dbef58a7e4695bb11c1e580469e7eef3c8e346d54712f2d661ff1ab5' 
  AND (
    token = '15y5X/US8h8THIbKMRWMKHgAtBWYnoNtuyod0OUACeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )