INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0475e6fb4486aaa85744d7953fd1120b84f280ceecd53e13ca9ec97f300a1ed4', 
    'dGn6IjWqAsZOS5OSaiCdG+Up1wJTgpldxC29lNcYKd0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)