UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wn1+L/IotLw0Q24mSwjqSqt9ouY9GXcEZW6+r0JWXPA=' 
WHERE 
  key_id = 'c20d839bf38fa97fa8da7b49258dddfe0196cbe61c60141f15ecb3ae9a5718c8' 
  AND (
    token = 'Wn1+L/IotLw0Q24mSwjqSqt9ouY9GXcEZW6+r0JWXPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )