INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'db7c300d3d5ea81dfe989e633045e7b256ee2b68088a3f9fbfd935f124555b03', 
    'jdIW4CBZU3sgsTT/R1mRtdinWq44XAFDrQBPGGELrMo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)