INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '975a684720191217bd596d1bbafee2526a37c794215e4f4812f28e36dc9d1fb8', 
    'b0Mp2pRoigGj7zgzQdoe1//TrHJeHF9HTTrI0k5BpMU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)