INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e794edde036761a2dce109125e119f9176fa09be6bccb337678968fa90080b', 
    'd7ZPQAx/TqDQwfhVLKybftzrJtyHXpR7hCNTOF0RhPM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)