INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4512df9ddefa305a6f239bde606d253ed0e046e0766cde6f70a950554d81a9d8', 
    '2DbgKyNPbFBcukO2+adFz1829k/seQOAVvRNMFSrLDI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)