INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8a3263669a9a8985e949f24d3bcc8cf05520eeeaeb5de5878fe5d508023939c4', 
    '4S1GrD3//zKtECpwdyTTOrX5iMDrF4u/Jcxq3YOrTt4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)