INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ebafc5fafca142c280286005efac6022534f3bea65418d19da3bccce732d06f', 
    'YVECefYclEyrTuc5g2x5iB5qY9YjBebvbn+JQgv2rBY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)