INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7b5b3c1666c12f36464220a2359b667b739701de1318de36f7ae7a6cbbbfc85', 
    '+//oOZ6X9K2fLgrVfEeObs0AYFyBwMyhtheRVgHaevE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)