UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cmrnl/akQ0cwf1OyU07SK8teV4gMTCEZbvRktjKoKSk=' 
WHERE 
  key_id = '4a39f69379469f6b7670f59d4bdd476ce7dd8ae9e85d197f6c290dc250cbd2ef' 
  AND (
    token = 'Cmrnl/akQ0cwf1OyU07SK8teV4gMTCEZbvRktjKoKSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )