INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e516898d627d74cdadc38d54e0744170af9515f8cad161d0689ca87ce66fefb1', 
    '+3lUkcfNGctGMePMUqYW8NuCqgCjbWrkRae8lNfl0Wk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)