INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef235495b528225b995c0ef3ad96bad0f4ace6f839874a0013c524da9ae51bb5', 
    '4Ls3bvL2EWn5qE2r6rAZmmFC9vvlFxuMV0ndvlmTclo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)