INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '306e76ac2886ccd7539a6dfd4eba752643559249acd56c490c80d7cc078034f4', 
    'JQsbStw8Bw7c2H0UMPz1N3h1gZYcq6lgshLmzKjrk04=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)