INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38273155ab74c8686878b074b8bf6d1cf200e8994eafbe0711a09bb8c23c41a2', 
    '5wEHbko5p7aS07xHXwYoP8EPn3BMLf18Uege5OXid98=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)