INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8488604057b990dff92a0e1342a4420c37a1f30d7b6bf2de0fd8a4909caec68', 
    'byqRclS3c782byk1pvXQh4vAlpb+62PX10yD5QpeMDE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)