UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pskhPiNJAEtfHcXBlAR/ncEtt42+3Jke5IDkZaX/Gz4=' 
WHERE 
  key_id = '20c7a43cc12a946d6a9e04c77427b1549673e8520a481737cc2d51a72970ca0f' 
  AND (
    token = 'pskhPiNJAEtfHcXBlAR/ncEtt42+3Jke5IDkZaX/Gz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )